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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 | */ | |
6ee73861 | 26 | |
ebb945a9 | 27 | #include "nouveau_drm.h" |
6ee73861 | 28 | #include "nouveau_dma.h" |
d375e7d5 | 29 | #include "nouveau_fence.h" |
ebb945a9 | 30 | #include "nouveau_abi16.h" |
6ee73861 | 31 | |
ebb945a9 BS |
32 | #include "nouveau_ttm.h" |
33 | #include "nouveau_gem.h" | |
6ee73861 | 34 | |
6ee73861 BS |
35 | void |
36 | nouveau_gem_object_del(struct drm_gem_object *gem) | |
37 | { | |
55fb74ad | 38 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
6ee73861 BS |
39 | struct ttm_buffer_object *bo = &nvbo->bo; |
40 | ||
22b33e8e DA |
41 | if (gem->import_attach) |
42 | drm_prime_gem_destroy(gem, nvbo->bo.sg); | |
43 | ||
fd632aa3 | 44 | drm_gem_object_release(gem); |
55fb74ad DH |
45 | |
46 | /* reset filp so nouveau_bo_del_ttm() can test for it */ | |
47 | gem->filp = NULL; | |
48 | ttm_bo_unref(&bo); | |
6ee73861 BS |
49 | } |
50 | ||
639212d0 BS |
51 | int |
52 | nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv) | |
53 | { | |
ebb945a9 | 54 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
2fd3db6f BS |
55 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
56 | struct nouveau_vma *vma; | |
57 | int ret; | |
639212d0 | 58 | |
3ee6f5b5 | 59 | if (!cli->vm) |
639212d0 BS |
60 | return 0; |
61 | ||
ee3939e0 | 62 | ret = ttm_bo_reserve(&nvbo->bo, false, false, false, NULL); |
2fd3db6f BS |
63 | if (ret) |
64 | return ret; | |
65 | ||
3ee6f5b5 | 66 | vma = nouveau_bo_vma_find(nvbo, cli->vm); |
2fd3db6f BS |
67 | if (!vma) { |
68 | vma = kzalloc(sizeof(*vma), GFP_KERNEL); | |
69 | if (!vma) { | |
70 | ret = -ENOMEM; | |
71 | goto out; | |
72 | } | |
73 | ||
3ee6f5b5 | 74 | ret = nouveau_bo_vma_add(nvbo, cli->vm, vma); |
2fd3db6f BS |
75 | if (ret) { |
76 | kfree(vma); | |
77 | goto out; | |
78 | } | |
79 | } else { | |
80 | vma->refcount++; | |
81 | } | |
82 | ||
83 | out: | |
84 | ttm_bo_unreserve(&nvbo->bo); | |
85 | return ret; | |
639212d0 BS |
86 | } |
87 | ||
c4c7044f BS |
88 | static void |
89 | nouveau_gem_object_delete(void *data) | |
90 | { | |
91 | struct nouveau_vma *vma = data; | |
92 | nouveau_vm_unmap(vma); | |
93 | nouveau_vm_put(vma); | |
94 | kfree(vma); | |
95 | } | |
96 | ||
97 | static void | |
98 | nouveau_gem_object_unmap(struct nouveau_bo *nvbo, struct nouveau_vma *vma) | |
99 | { | |
100 | const bool mapped = nvbo->bo.mem.mem_type != TTM_PL_SYSTEM; | |
809e9447 ML |
101 | struct reservation_object *resv = nvbo->bo.resv; |
102 | struct reservation_object_list *fobj; | |
f2c24b83 | 103 | struct fence *fence = NULL; |
c4c7044f | 104 | |
809e9447 ML |
105 | fobj = reservation_object_get_list(resv); |
106 | ||
c4c7044f BS |
107 | list_del(&vma->head); |
108 | ||
809e9447 ML |
109 | if (fobj && fobj->shared_count > 1) |
110 | ttm_bo_wait(&nvbo->bo, true, false, false); | |
111 | else if (fobj && fobj->shared_count == 1) | |
112 | fence = rcu_dereference_protected(fobj->shared[0], | |
113 | reservation_object_held(resv)); | |
114 | else | |
f2c24b83 | 115 | fence = reservation_object_get_excl(nvbo->bo.resv); |
c4c7044f | 116 | |
809e9447 | 117 | if (fence && mapped) { |
c4c7044f BS |
118 | nouveau_fence_work(fence, nouveau_gem_object_delete, vma); |
119 | } else { | |
120 | if (mapped) | |
121 | nouveau_vm_unmap(vma); | |
122 | nouveau_vm_put(vma); | |
123 | kfree(vma); | |
124 | } | |
c4c7044f BS |
125 | } |
126 | ||
639212d0 BS |
127 | void |
128 | nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv) | |
129 | { | |
ebb945a9 | 130 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
2fd3db6f BS |
131 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
132 | struct nouveau_vma *vma; | |
133 | int ret; | |
639212d0 | 134 | |
3ee6f5b5 | 135 | if (!cli->vm) |
639212d0 | 136 | return; |
2fd3db6f | 137 | |
ee3939e0 | 138 | ret = ttm_bo_reserve(&nvbo->bo, false, false, false, NULL); |
2fd3db6f BS |
139 | if (ret) |
140 | return; | |
141 | ||
3ee6f5b5 | 142 | vma = nouveau_bo_vma_find(nvbo, cli->vm); |
2fd3db6f | 143 | if (vma) { |
c4c7044f BS |
144 | if (--vma->refcount == 0) |
145 | nouveau_gem_object_unmap(nvbo, vma); | |
2fd3db6f BS |
146 | } |
147 | ttm_bo_unreserve(&nvbo->bo); | |
639212d0 BS |
148 | } |
149 | ||
6ee73861 | 150 | int |
f6d4e621 BS |
151 | nouveau_gem_new(struct drm_device *dev, int size, int align, uint32_t domain, |
152 | uint32_t tile_mode, uint32_t tile_flags, | |
153 | struct nouveau_bo **pnvbo) | |
6ee73861 | 154 | { |
ebb945a9 | 155 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 | 156 | struct nouveau_bo *nvbo; |
6ba9a683 | 157 | u32 flags = 0; |
6ee73861 BS |
158 | int ret; |
159 | ||
6ba9a683 BS |
160 | if (domain & NOUVEAU_GEM_DOMAIN_VRAM) |
161 | flags |= TTM_PL_FLAG_VRAM; | |
162 | if (domain & NOUVEAU_GEM_DOMAIN_GART) | |
163 | flags |= TTM_PL_FLAG_TT; | |
164 | if (!flags || domain & NOUVEAU_GEM_DOMAIN_CPU) | |
165 | flags |= TTM_PL_FLAG_SYSTEM; | |
166 | ||
7375c95b | 167 | ret = nouveau_bo_new(dev, size, align, flags, tile_mode, |
22b33e8e | 168 | tile_flags, NULL, pnvbo); |
6ee73861 BS |
169 | if (ret) |
170 | return ret; | |
171 | nvbo = *pnvbo; | |
172 | ||
db5c8e29 BS |
173 | /* we restrict allowed domains on nv50+ to only the types |
174 | * that were requested at creation time. not possibly on | |
175 | * earlier chips without busting the ABI. | |
176 | */ | |
177 | nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM | | |
178 | NOUVEAU_GEM_DOMAIN_GART; | |
967e7bde | 179 | if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) |
db5c8e29 BS |
180 | nvbo->valid_domains &= domain; |
181 | ||
55fb74ad DH |
182 | /* Initialize the embedded gem-object. We return a single gem-reference |
183 | * to the caller, instead of a normal nouveau_bo ttm reference. */ | |
184 | ret = drm_gem_object_init(dev, &nvbo->gem, nvbo->bo.mem.size); | |
185 | if (ret) { | |
6ee73861 BS |
186 | nouveau_bo_ref(NULL, pnvbo); |
187 | return -ENOMEM; | |
188 | } | |
189 | ||
55fb74ad | 190 | nvbo->bo.persistent_swap_storage = nvbo->gem.filp; |
6ee73861 BS |
191 | return 0; |
192 | } | |
193 | ||
194 | static int | |
e758a311 BS |
195 | nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem, |
196 | struct drm_nouveau_gem_info *rep) | |
6ee73861 | 197 | { |
ebb945a9 | 198 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
6ee73861 | 199 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
e758a311 | 200 | struct nouveau_vma *vma; |
6ee73861 BS |
201 | |
202 | if (nvbo->bo.mem.mem_type == TTM_PL_TT) | |
203 | rep->domain = NOUVEAU_GEM_DOMAIN_GART; | |
204 | else | |
205 | rep->domain = NOUVEAU_GEM_DOMAIN_VRAM; | |
206 | ||
e758a311 | 207 | rep->offset = nvbo->bo.offset; |
3ee6f5b5 BS |
208 | if (cli->vm) { |
209 | vma = nouveau_bo_vma_find(nvbo, cli->vm); | |
e758a311 BS |
210 | if (!vma) |
211 | return -EINVAL; | |
212 | ||
213 | rep->offset = vma->offset; | |
214 | } | |
215 | ||
6ee73861 | 216 | rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT; |
72525b3f | 217 | rep->map_handle = drm_vma_node_offset_addr(&nvbo->bo.vma_node); |
6ee73861 BS |
218 | rep->tile_mode = nvbo->tile_mode; |
219 | rep->tile_flags = nvbo->tile_flags; | |
220 | return 0; | |
221 | } | |
222 | ||
6ee73861 BS |
223 | int |
224 | nouveau_gem_ioctl_new(struct drm_device *dev, void *data, | |
225 | struct drm_file *file_priv) | |
226 | { | |
ebb945a9 | 227 | struct nouveau_drm *drm = nouveau_drm(dev); |
a84fa1a3 | 228 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
967e7bde | 229 | struct nouveau_fb *pfb = nvkm_fb(&drm->device); |
6ee73861 BS |
230 | struct drm_nouveau_gem_new *req = data; |
231 | struct nouveau_bo *nvbo = NULL; | |
6ee73861 BS |
232 | int ret = 0; |
233 | ||
ebb945a9 | 234 | if (!pfb->memtype_valid(pfb, req->info.tile_flags)) { |
fa2bade9 | 235 | NV_PRINTK(error, cli, "bad page flags: 0x%08x\n", req->info.tile_flags); |
6ee73861 | 236 | return -EINVAL; |
60d2a88a | 237 | } |
6ee73861 | 238 | |
f6d4e621 | 239 | ret = nouveau_gem_new(dev, req->info.size, req->align, |
6ba9a683 BS |
240 | req->info.domain, req->info.tile_mode, |
241 | req->info.tile_flags, &nvbo); | |
6ee73861 BS |
242 | if (ret) |
243 | return ret; | |
244 | ||
55fb74ad | 245 | ret = drm_gem_handle_create(file_priv, &nvbo->gem, &req->info.handle); |
e758a311 | 246 | if (ret == 0) { |
55fb74ad | 247 | ret = nouveau_gem_info(file_priv, &nvbo->gem, &req->info); |
e758a311 BS |
248 | if (ret) |
249 | drm_gem_handle_delete(file_priv, req->info.handle); | |
250 | } | |
251 | ||
29d08b3e | 252 | /* drop reference from allocate - handle holds it now */ |
55fb74ad | 253 | drm_gem_object_unreference_unlocked(&nvbo->gem); |
6ee73861 BS |
254 | return ret; |
255 | } | |
256 | ||
257 | static int | |
258 | nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains, | |
259 | uint32_t write_domains, uint32_t valid_domains) | |
260 | { | |
55fb74ad | 261 | struct nouveau_bo *nvbo = nouveau_gem_object(gem); |
6ee73861 | 262 | struct ttm_buffer_object *bo = &nvbo->bo; |
db5c8e29 | 263 | uint32_t domains = valid_domains & nvbo->valid_domains & |
78ad0f7b FJ |
264 | (write_domains ? write_domains : read_domains); |
265 | uint32_t pref_flags = 0, valid_flags = 0; | |
6ee73861 | 266 | |
78ad0f7b | 267 | if (!domains) |
6ee73861 BS |
268 | return -EINVAL; |
269 | ||
78ad0f7b FJ |
270 | if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) |
271 | valid_flags |= TTM_PL_FLAG_VRAM; | |
272 | ||
273 | if (valid_domains & NOUVEAU_GEM_DOMAIN_GART) | |
274 | valid_flags |= TTM_PL_FLAG_TT; | |
275 | ||
276 | if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) && | |
277 | bo->mem.mem_type == TTM_PL_VRAM) | |
278 | pref_flags |= TTM_PL_FLAG_VRAM; | |
279 | ||
280 | else if ((domains & NOUVEAU_GEM_DOMAIN_GART) && | |
281 | bo->mem.mem_type == TTM_PL_TT) | |
282 | pref_flags |= TTM_PL_FLAG_TT; | |
283 | ||
284 | else if (domains & NOUVEAU_GEM_DOMAIN_VRAM) | |
285 | pref_flags |= TTM_PL_FLAG_VRAM; | |
286 | ||
287 | else | |
288 | pref_flags |= TTM_PL_FLAG_TT; | |
289 | ||
290 | nouveau_bo_placement_set(nvbo, pref_flags, valid_flags); | |
6ee73861 | 291 | |
6ee73861 BS |
292 | return 0; |
293 | } | |
294 | ||
295 | struct validate_op { | |
9242829a | 296 | struct list_head list; |
ecff665f | 297 | struct ww_acquire_ctx ticket; |
6ee73861 BS |
298 | }; |
299 | ||
300 | static void | |
809e9447 ML |
301 | validate_fini_no_ticket(struct validate_op *op, struct nouveau_fence *fence, |
302 | struct drm_nouveau_gem_pushbuf_bo *pbbo) | |
6ee73861 | 303 | { |
6ee73861 | 304 | struct nouveau_bo *nvbo; |
809e9447 | 305 | struct drm_nouveau_gem_pushbuf_bo *b; |
6ee73861 | 306 | |
9242829a ML |
307 | while (!list_empty(&op->list)) { |
308 | nvbo = list_entry(op->list.next, struct nouveau_bo, entry); | |
809e9447 | 309 | b = &pbbo[nvbo->pbbo_index]; |
332b242f | 310 | |
9360bd11 | 311 | if (likely(fence)) |
809e9447 | 312 | nouveau_bo_fence(nvbo, fence, !!b->write_domains); |
6ee73861 | 313 | |
a1606a95 BS |
314 | if (unlikely(nvbo->validate_mapped)) { |
315 | ttm_bo_kunmap(&nvbo->kmap); | |
316 | nvbo->validate_mapped = false; | |
317 | } | |
318 | ||
6ee73861 BS |
319 | list_del(&nvbo->entry); |
320 | nvbo->reserved_by = NULL; | |
9242829a | 321 | ttm_bo_unreserve_ticket(&nvbo->bo, &op->ticket); |
55fb74ad | 322 | drm_gem_object_unreference_unlocked(&nvbo->gem); |
6ee73861 BS |
323 | } |
324 | } | |
325 | ||
ecff665f | 326 | static void |
809e9447 ML |
327 | validate_fini(struct validate_op *op, struct nouveau_fence *fence, |
328 | struct drm_nouveau_gem_pushbuf_bo *pbbo) | |
ecff665f | 329 | { |
809e9447 | 330 | validate_fini_no_ticket(op, fence, pbbo); |
ecff665f | 331 | ww_acquire_fini(&op->ticket); |
6ee73861 BS |
332 | } |
333 | ||
334 | static int | |
335 | validate_init(struct nouveau_channel *chan, struct drm_file *file_priv, | |
336 | struct drm_nouveau_gem_pushbuf_bo *pbbo, | |
337 | int nr_buffers, struct validate_op *op) | |
338 | { | |
a84fa1a3 | 339 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
ebb945a9 | 340 | struct drm_device *dev = chan->drm->dev; |
6ee73861 BS |
341 | int trycnt = 0; |
342 | int ret, i; | |
c354c893 | 343 | struct nouveau_bo *res_bo = NULL; |
9242829a ML |
344 | LIST_HEAD(gart_list); |
345 | LIST_HEAD(vram_list); | |
346 | LIST_HEAD(both_list); | |
6ee73861 | 347 | |
ecff665f | 348 | ww_acquire_init(&op->ticket, &reservation_ww_class); |
6ee73861 BS |
349 | retry: |
350 | if (++trycnt > 100000) { | |
fa2bade9 | 351 | NV_PRINTK(error, cli, "%s failed and gave up.\n", __func__); |
6ee73861 BS |
352 | return -EINVAL; |
353 | } | |
354 | ||
355 | for (i = 0; i < nr_buffers; i++) { | |
356 | struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i]; | |
357 | struct drm_gem_object *gem; | |
358 | struct nouveau_bo *nvbo; | |
359 | ||
360 | gem = drm_gem_object_lookup(dev, file_priv, b->handle); | |
361 | if (!gem) { | |
fa2bade9 | 362 | NV_PRINTK(error, cli, "Unknown handle 0x%08x\n", b->handle); |
9242829a ML |
363 | ret = -ENOENT; |
364 | break; | |
6ee73861 | 365 | } |
55fb74ad | 366 | nvbo = nouveau_gem_object(gem); |
c354c893 ML |
367 | if (nvbo == res_bo) { |
368 | res_bo = NULL; | |
369 | drm_gem_object_unreference_unlocked(gem); | |
370 | continue; | |
371 | } | |
6ee73861 BS |
372 | |
373 | if (nvbo->reserved_by && nvbo->reserved_by == file_priv) { | |
fa2bade9 | 374 | NV_PRINTK(error, cli, "multiple instances of buffer %d on " |
6ee73861 | 375 | "validation list\n", b->handle); |
5086f69e | 376 | drm_gem_object_unreference_unlocked(gem); |
9242829a ML |
377 | ret = -EINVAL; |
378 | break; | |
6ee73861 BS |
379 | } |
380 | ||
ecff665f | 381 | ret = ttm_bo_reserve(&nvbo->bo, true, false, true, &op->ticket); |
6ee73861 | 382 | if (ret) { |
9242829a ML |
383 | list_splice_tail_init(&vram_list, &op->list); |
384 | list_splice_tail_init(&gart_list, &op->list); | |
385 | list_splice_tail_init(&both_list, &op->list); | |
809e9447 | 386 | validate_fini_no_ticket(op, NULL, NULL); |
5e338405 | 387 | if (unlikely(ret == -EDEADLK)) { |
c354c893 | 388 | ret = ttm_bo_reserve_slowpath(&nvbo->bo, true, |
ecff665f | 389 | &op->ticket); |
c354c893 ML |
390 | if (!ret) |
391 | res_bo = nvbo; | |
392 | } | |
938c40ed BS |
393 | if (unlikely(ret)) { |
394 | if (ret != -ERESTARTSYS) | |
fa2bade9 | 395 | NV_PRINTK(error, cli, "fail reserve\n"); |
9242829a | 396 | break; |
a1606a95 | 397 | } |
6ee73861 BS |
398 | } |
399 | ||
a1606a95 | 400 | b->user_priv = (uint64_t)(unsigned long)nvbo; |
6ee73861 BS |
401 | nvbo->reserved_by = file_priv; |
402 | nvbo->pbbo_index = i; | |
403 | if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) && | |
404 | (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)) | |
9242829a | 405 | list_add_tail(&nvbo->entry, &both_list); |
6ee73861 BS |
406 | else |
407 | if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) | |
9242829a | 408 | list_add_tail(&nvbo->entry, &vram_list); |
6ee73861 BS |
409 | else |
410 | if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART) | |
9242829a | 411 | list_add_tail(&nvbo->entry, &gart_list); |
6ee73861 | 412 | else { |
fa2bade9 | 413 | NV_PRINTK(error, cli, "invalid valid domains: 0x%08x\n", |
6ee73861 | 414 | b->valid_domains); |
9242829a ML |
415 | list_add_tail(&nvbo->entry, &both_list); |
416 | ret = -EINVAL; | |
417 | break; | |
6ee73861 | 418 | } |
c354c893 ML |
419 | if (nvbo == res_bo) |
420 | goto retry; | |
6ee73861 BS |
421 | } |
422 | ||
ecff665f | 423 | ww_acquire_done(&op->ticket); |
9242829a ML |
424 | list_splice_tail(&vram_list, &op->list); |
425 | list_splice_tail(&gart_list, &op->list); | |
426 | list_splice_tail(&both_list, &op->list); | |
427 | if (ret) | |
809e9447 | 428 | validate_fini(op, NULL, NULL); |
9242829a ML |
429 | return ret; |
430 | ||
6ee73861 BS |
431 | } |
432 | ||
433 | static int | |
a84fa1a3 MS |
434 | validate_list(struct nouveau_channel *chan, struct nouveau_cli *cli, |
435 | struct list_head *list, struct drm_nouveau_gem_pushbuf_bo *pbbo, | |
436 | uint64_t user_pbbo_ptr) | |
6ee73861 | 437 | { |
ebb945a9 | 438 | struct nouveau_drm *drm = chan->drm; |
6ee73861 BS |
439 | struct drm_nouveau_gem_pushbuf_bo __user *upbbo = |
440 | (void __force __user *)(uintptr_t)user_pbbo_ptr; | |
441 | struct nouveau_bo *nvbo; | |
442 | int ret, relocs = 0; | |
443 | ||
444 | list_for_each_entry(nvbo, list, entry) { | |
445 | struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index]; | |
6ee73861 | 446 | |
55fb74ad | 447 | ret = nouveau_gem_set_domain(&nvbo->gem, b->read_domains, |
6ee73861 BS |
448 | b->write_domains, |
449 | b->valid_domains); | |
a1606a95 | 450 | if (unlikely(ret)) { |
fa2bade9 | 451 | NV_PRINTK(error, cli, "fail set_domain\n"); |
6ee73861 | 452 | return ret; |
a1606a95 | 453 | } |
6ee73861 | 454 | |
97a875cb | 455 | ret = nouveau_bo_validate(nvbo, true, false); |
a1606a95 | 456 | if (unlikely(ret)) { |
938c40ed | 457 | if (ret != -ERESTARTSYS) |
fa2bade9 | 458 | NV_PRINTK(error, cli, "fail ttm_validate\n"); |
6ee73861 | 459 | return ret; |
a1606a95 | 460 | } |
6ee73861 | 461 | |
809e9447 | 462 | ret = nouveau_fence_sync(nvbo, chan, !!b->write_domains); |
415e6186 | 463 | if (unlikely(ret)) { |
29ba89b2 ML |
464 | if (ret != -ERESTARTSYS) |
465 | NV_PRINTK(error, cli, "fail post-validate sync\n"); | |
415e6186 BS |
466 | return ret; |
467 | } | |
468 | ||
967e7bde | 469 | if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) { |
a3fcd0a9 BS |
470 | if (nvbo->bo.offset == b->presumed.offset && |
471 | ((nvbo->bo.mem.mem_type == TTM_PL_VRAM && | |
472 | b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) || | |
473 | (nvbo->bo.mem.mem_type == TTM_PL_TT && | |
474 | b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART))) | |
475 | continue; | |
476 | ||
477 | if (nvbo->bo.mem.mem_type == TTM_PL_TT) | |
478 | b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART; | |
479 | else | |
480 | b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM; | |
481 | b->presumed.offset = nvbo->bo.offset; | |
482 | b->presumed.valid = 0; | |
483 | relocs++; | |
484 | ||
1d6ac185 | 485 | if (copy_to_user(&upbbo[nvbo->pbbo_index].presumed, |
a3fcd0a9 BS |
486 | &b->presumed, sizeof(b->presumed))) |
487 | return -EFAULT; | |
488 | } | |
6ee73861 BS |
489 | } |
490 | ||
491 | return relocs; | |
492 | } | |
493 | ||
494 | static int | |
495 | nouveau_gem_pushbuf_validate(struct nouveau_channel *chan, | |
496 | struct drm_file *file_priv, | |
497 | struct drm_nouveau_gem_pushbuf_bo *pbbo, | |
498 | uint64_t user_buffers, int nr_buffers, | |
499 | struct validate_op *op, int *apply_relocs) | |
500 | { | |
a84fa1a3 | 501 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
9242829a | 502 | int ret; |
6ee73861 | 503 | |
9242829a | 504 | INIT_LIST_HEAD(&op->list); |
6ee73861 | 505 | |
6ee73861 BS |
506 | if (nr_buffers == 0) |
507 | return 0; | |
508 | ||
509 | ret = validate_init(chan, file_priv, pbbo, nr_buffers, op); | |
a1606a95 | 510 | if (unlikely(ret)) { |
938c40ed | 511 | if (ret != -ERESTARTSYS) |
fa2bade9 | 512 | NV_PRINTK(error, cli, "validate_init\n"); |
6ee73861 | 513 | return ret; |
a1606a95 | 514 | } |
6ee73861 | 515 | |
9242829a | 516 | ret = validate_list(chan, cli, &op->list, pbbo, user_buffers); |
6ee73861 | 517 | if (unlikely(ret < 0)) { |
938c40ed | 518 | if (ret != -ERESTARTSYS) |
9242829a | 519 | NV_PRINTK(error, cli, "validating bo list\n"); |
809e9447 | 520 | validate_fini(op, NULL, NULL); |
6ee73861 BS |
521 | return ret; |
522 | } | |
9242829a | 523 | *apply_relocs = ret; |
6ee73861 BS |
524 | return 0; |
525 | } | |
526 | ||
c859074e ML |
527 | static inline void |
528 | u_free(void *addr) | |
529 | { | |
530 | if (!is_vmalloc_addr(addr)) | |
531 | kfree(addr); | |
532 | else | |
533 | vfree(addr); | |
534 | } | |
535 | ||
6ee73861 BS |
536 | static inline void * |
537 | u_memcpya(uint64_t user, unsigned nmemb, unsigned size) | |
538 | { | |
539 | void *mem; | |
540 | void __user *userptr = (void __force __user *)(uintptr_t)user; | |
541 | ||
c859074e ML |
542 | size *= nmemb; |
543 | ||
544 | mem = kmalloc(size, GFP_KERNEL | __GFP_NOWARN); | |
545 | if (!mem) | |
546 | mem = vmalloc(size); | |
6ee73861 BS |
547 | if (!mem) |
548 | return ERR_PTR(-ENOMEM); | |
549 | ||
1d6ac185 | 550 | if (copy_from_user(mem, userptr, size)) { |
c859074e | 551 | u_free(mem); |
6ee73861 BS |
552 | return ERR_PTR(-EFAULT); |
553 | } | |
554 | ||
555 | return mem; | |
556 | } | |
557 | ||
558 | static int | |
a84fa1a3 | 559 | nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli, |
a1606a95 BS |
560 | struct drm_nouveau_gem_pushbuf *req, |
561 | struct drm_nouveau_gem_pushbuf_bo *bo) | |
6ee73861 BS |
562 | { |
563 | struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL; | |
12f735b7 LB |
564 | int ret = 0; |
565 | unsigned i; | |
6ee73861 | 566 | |
a1606a95 | 567 | reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc)); |
6ee73861 BS |
568 | if (IS_ERR(reloc)) |
569 | return PTR_ERR(reloc); | |
570 | ||
a1606a95 | 571 | for (i = 0; i < req->nr_relocs; i++) { |
6ee73861 BS |
572 | struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i]; |
573 | struct drm_nouveau_gem_pushbuf_bo *b; | |
a1606a95 | 574 | struct nouveau_bo *nvbo; |
6ee73861 BS |
575 | uint32_t data; |
576 | ||
a1606a95 | 577 | if (unlikely(r->bo_index > req->nr_buffers)) { |
fa2bade9 | 578 | NV_PRINTK(error, cli, "reloc bo index invalid\n"); |
6ee73861 BS |
579 | ret = -EINVAL; |
580 | break; | |
581 | } | |
582 | ||
583 | b = &bo[r->bo_index]; | |
a1606a95 | 584 | if (b->presumed.valid) |
6ee73861 BS |
585 | continue; |
586 | ||
a1606a95 | 587 | if (unlikely(r->reloc_bo_index > req->nr_buffers)) { |
fa2bade9 | 588 | NV_PRINTK(error, cli, "reloc container bo index invalid\n"); |
a1606a95 BS |
589 | ret = -EINVAL; |
590 | break; | |
591 | } | |
592 | nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv; | |
593 | ||
594 | if (unlikely(r->reloc_bo_offset + 4 > | |
595 | nvbo->bo.mem.num_pages << PAGE_SHIFT)) { | |
fa2bade9 | 596 | NV_PRINTK(error, cli, "reloc outside of bo\n"); |
a1606a95 BS |
597 | ret = -EINVAL; |
598 | break; | |
599 | } | |
600 | ||
601 | if (!nvbo->kmap.virtual) { | |
602 | ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages, | |
603 | &nvbo->kmap); | |
604 | if (ret) { | |
fa2bade9 | 605 | NV_PRINTK(error, cli, "failed kmap for reloc\n"); |
a1606a95 BS |
606 | break; |
607 | } | |
608 | nvbo->validate_mapped = true; | |
609 | } | |
610 | ||
6ee73861 | 611 | if (r->flags & NOUVEAU_GEM_RELOC_LOW) |
a1606a95 | 612 | data = b->presumed.offset + r->data; |
6ee73861 BS |
613 | else |
614 | if (r->flags & NOUVEAU_GEM_RELOC_HIGH) | |
a1606a95 | 615 | data = (b->presumed.offset + r->data) >> 32; |
6ee73861 BS |
616 | else |
617 | data = r->data; | |
618 | ||
619 | if (r->flags & NOUVEAU_GEM_RELOC_OR) { | |
a1606a95 | 620 | if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART) |
6ee73861 BS |
621 | data |= r->tor; |
622 | else | |
623 | data |= r->vor; | |
624 | } | |
625 | ||
809e9447 | 626 | ret = ttm_bo_wait(&nvbo->bo, true, false, false); |
a1606a95 | 627 | if (ret) { |
fa2bade9 | 628 | NV_PRINTK(error, cli, "reloc wait_idle failed: %d\n", ret); |
a1606a95 BS |
629 | break; |
630 | } | |
a1606a95 BS |
631 | |
632 | nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data); | |
6ee73861 BS |
633 | } |
634 | ||
c859074e | 635 | u_free(reloc); |
6ee73861 BS |
636 | return ret; |
637 | } | |
638 | ||
639 | int | |
640 | nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data, | |
641 | struct drm_file *file_priv) | |
642 | { | |
ebb945a9 | 643 | struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); |
a84fa1a3 | 644 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
ebb945a9 BS |
645 | struct nouveau_abi16_chan *temp; |
646 | struct nouveau_drm *drm = nouveau_drm(dev); | |
6ee73861 | 647 | struct drm_nouveau_gem_pushbuf *req = data; |
a1606a95 BS |
648 | struct drm_nouveau_gem_pushbuf_push *push; |
649 | struct drm_nouveau_gem_pushbuf_bo *bo; | |
ebb945a9 | 650 | struct nouveau_channel *chan = NULL; |
6ee73861 | 651 | struct validate_op op; |
6e86e041 | 652 | struct nouveau_fence *fence = NULL; |
a1606a95 | 653 | int i, j, ret = 0, do_reloc = 0; |
6ee73861 | 654 | |
ebb945a9 BS |
655 | if (unlikely(!abi16)) |
656 | return -ENOMEM; | |
6ee73861 | 657 | |
ebb945a9 | 658 | list_for_each_entry(temp, &abi16->channels, head) { |
0ad72863 | 659 | if (temp->chan->object->handle == (NVDRM_CHAN | req->channel)) { |
ebb945a9 BS |
660 | chan = temp->chan; |
661 | break; | |
662 | } | |
663 | } | |
6ee73861 | 664 | |
ebb945a9 BS |
665 | if (!chan) |
666 | return nouveau_abi16_put(abi16, -ENOENT); | |
667 | ||
668 | req->vram_available = drm->gem.vram_available; | |
669 | req->gart_available = drm->gem.gart_available; | |
a1606a95 BS |
670 | if (unlikely(req->nr_push == 0)) |
671 | goto out_next; | |
6ee73861 | 672 | |
a1606a95 | 673 | if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) { |
fa2bade9 | 674 | NV_PRINTK(error, cli, "pushbuf push count exceeds limit: %d max %d\n", |
a1606a95 | 675 | req->nr_push, NOUVEAU_GEM_MAX_PUSH); |
ebb945a9 | 676 | return nouveau_abi16_put(abi16, -EINVAL); |
6ee73861 BS |
677 | } |
678 | ||
a1606a95 | 679 | if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) { |
fa2bade9 | 680 | NV_PRINTK(error, cli, "pushbuf bo count exceeds limit: %d max %d\n", |
a1606a95 | 681 | req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS); |
ebb945a9 | 682 | return nouveau_abi16_put(abi16, -EINVAL); |
6ee73861 BS |
683 | } |
684 | ||
a1606a95 | 685 | if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) { |
fa2bade9 | 686 | NV_PRINTK(error, cli, "pushbuf reloc count exceeds limit: %d max %d\n", |
a1606a95 | 687 | req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS); |
ebb945a9 | 688 | return nouveau_abi16_put(abi16, -EINVAL); |
6ee73861 BS |
689 | } |
690 | ||
a1606a95 | 691 | push = u_memcpya(req->push, req->nr_push, sizeof(*push)); |
ebb945a9 BS |
692 | if (IS_ERR(push)) |
693 | return nouveau_abi16_put(abi16, PTR_ERR(push)); | |
a1606a95 | 694 | |
6ee73861 | 695 | bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo)); |
a1606a95 | 696 | if (IS_ERR(bo)) { |
c859074e | 697 | u_free(push); |
ebb945a9 | 698 | return nouveau_abi16_put(abi16, PTR_ERR(bo)); |
a1606a95 | 699 | } |
6ee73861 | 700 | |
accf9496 | 701 | /* Ensure all push buffers are on validate list */ |
415e6186 BS |
702 | for (i = 0; i < req->nr_push; i++) { |
703 | if (push[i].bo_index >= req->nr_buffers) { | |
fa2bade9 | 704 | NV_PRINTK(error, cli, "push %d buffer not in list\n", i); |
415e6186 | 705 | ret = -EINVAL; |
7fa0cba2 | 706 | goto out_prevalid; |
415e6186 | 707 | } |
415e6186 BS |
708 | } |
709 | ||
6ee73861 BS |
710 | /* Validate buffer list */ |
711 | ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers, | |
712 | req->nr_buffers, &op, &do_reloc); | |
713 | if (ret) { | |
938c40ed | 714 | if (ret != -ERESTARTSYS) |
fa2bade9 | 715 | NV_PRINTK(error, cli, "validate: %d\n", ret); |
7fa0cba2 | 716 | goto out_prevalid; |
6ee73861 BS |
717 | } |
718 | ||
6ee73861 BS |
719 | /* Apply any relocations that are required */ |
720 | if (do_reloc) { | |
a84fa1a3 | 721 | ret = nouveau_gem_pushbuf_reloc_apply(cli, req, bo); |
6ee73861 | 722 | if (ret) { |
fa2bade9 | 723 | NV_PRINTK(error, cli, "reloc apply: %d\n", ret); |
6ee73861 BS |
724 | goto out; |
725 | } | |
6ee73861 | 726 | } |
6ee73861 | 727 | |
9a391ad8 | 728 | if (chan->dma.ib_max) { |
5e120f6e | 729 | ret = nouveau_dma_wait(chan, req->nr_push + 1, 16); |
6ee73861 | 730 | if (ret) { |
fa2bade9 | 731 | NV_PRINTK(error, cli, "nv50cal_space: %d\n", ret); |
6ee73861 BS |
732 | goto out; |
733 | } | |
6ee73861 | 734 | |
a1606a95 BS |
735 | for (i = 0; i < req->nr_push; i++) { |
736 | struct nouveau_bo *nvbo = (void *)(unsigned long) | |
737 | bo[push[i].bo_index].user_priv; | |
738 | ||
739 | nv50_dma_push(chan, nvbo, push[i].offset, | |
740 | push[i].length); | |
741 | } | |
9a391ad8 | 742 | } else |
967e7bde | 743 | if (drm->device.info.chipset >= 0x25) { |
a1606a95 | 744 | ret = RING_SPACE(chan, req->nr_push * 2); |
6ee73861 | 745 | if (ret) { |
fa2bade9 | 746 | NV_PRINTK(error, cli, "cal_space: %d\n", ret); |
6ee73861 BS |
747 | goto out; |
748 | } | |
a1606a95 BS |
749 | |
750 | for (i = 0; i < req->nr_push; i++) { | |
751 | struct nouveau_bo *nvbo = (void *)(unsigned long) | |
752 | bo[push[i].bo_index].user_priv; | |
a1606a95 | 753 | |
3a92d37e | 754 | OUT_RING(chan, (nvbo->bo.offset + push[i].offset) | 2); |
a1606a95 BS |
755 | OUT_RING(chan, 0); |
756 | } | |
6ee73861 | 757 | } else { |
a1606a95 | 758 | ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS)); |
6ee73861 | 759 | if (ret) { |
fa2bade9 | 760 | NV_PRINTK(error, cli, "jmp_space: %d\n", ret); |
6ee73861 BS |
761 | goto out; |
762 | } | |
6ee73861 | 763 | |
a1606a95 BS |
764 | for (i = 0; i < req->nr_push; i++) { |
765 | struct nouveau_bo *nvbo = (void *)(unsigned long) | |
766 | bo[push[i].bo_index].user_priv; | |
a1606a95 BS |
767 | uint32_t cmd; |
768 | ||
ebb945a9 | 769 | cmd = chan->push.vma.offset + ((chan->dma.cur + 2) << 2); |
a1606a95 BS |
770 | cmd |= 0x20000000; |
771 | if (unlikely(cmd != req->suffix0)) { | |
772 | if (!nvbo->kmap.virtual) { | |
773 | ret = ttm_bo_kmap(&nvbo->bo, 0, | |
774 | nvbo->bo.mem. | |
775 | num_pages, | |
776 | &nvbo->kmap); | |
777 | if (ret) { | |
778 | WIND_RING(chan); | |
779 | goto out; | |
780 | } | |
781 | nvbo->validate_mapped = true; | |
782 | } | |
783 | ||
784 | nouveau_bo_wr32(nvbo, (push[i].offset + | |
785 | push[i].length - 8) / 4, cmd); | |
786 | } | |
787 | ||
3a92d37e BS |
788 | OUT_RING(chan, 0x20000000 | |
789 | (nvbo->bo.offset + push[i].offset)); | |
6ee73861 | 790 | OUT_RING(chan, 0); |
a1606a95 BS |
791 | for (j = 0; j < NOUVEAU_DMA_SKIPS; j++) |
792 | OUT_RING(chan, 0); | |
793 | } | |
6ee73861 BS |
794 | } |
795 | ||
264ce192 | 796 | ret = nouveau_fence_new(chan, false, &fence); |
6ee73861 | 797 | if (ret) { |
fa2bade9 | 798 | NV_PRINTK(error, cli, "error fencing pushbuf: %d\n", ret); |
6ee73861 BS |
799 | WIND_RING(chan); |
800 | goto out; | |
801 | } | |
802 | ||
803 | out: | |
809e9447 | 804 | validate_fini(&op, fence, bo); |
382d62e5 | 805 | nouveau_fence_unref(&fence); |
7fa0cba2 MS |
806 | |
807 | out_prevalid: | |
c859074e ML |
808 | u_free(bo); |
809 | u_free(push); | |
6ee73861 BS |
810 | |
811 | out_next: | |
9a391ad8 BS |
812 | if (chan->dma.ib_max) { |
813 | req->suffix0 = 0x00000000; | |
814 | req->suffix1 = 0x00000000; | |
815 | } else | |
967e7bde | 816 | if (drm->device.info.chipset >= 0x25) { |
6ee73861 BS |
817 | req->suffix0 = 0x00020000; |
818 | req->suffix1 = 0x00000000; | |
819 | } else { | |
820 | req->suffix0 = 0x20000000 | | |
ebb945a9 | 821 | (chan->push.vma.offset + ((chan->dma.cur + 2) << 2)); |
6ee73861 BS |
822 | req->suffix1 = 0x00000000; |
823 | } | |
824 | ||
ebb945a9 | 825 | return nouveau_abi16_put(abi16, ret); |
6ee73861 BS |
826 | } |
827 | ||
6ee73861 BS |
828 | static inline uint32_t |
829 | domain_to_ttm(struct nouveau_bo *nvbo, uint32_t domain) | |
830 | { | |
831 | uint32_t flags = 0; | |
832 | ||
833 | if (domain & NOUVEAU_GEM_DOMAIN_VRAM) | |
834 | flags |= TTM_PL_FLAG_VRAM; | |
835 | if (domain & NOUVEAU_GEM_DOMAIN_GART) | |
836 | flags |= TTM_PL_FLAG_TT; | |
837 | ||
838 | return flags; | |
839 | } | |
840 | ||
6ee73861 BS |
841 | int |
842 | nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data, | |
843 | struct drm_file *file_priv) | |
844 | { | |
845 | struct drm_nouveau_gem_cpu_prep *req = data; | |
846 | struct drm_gem_object *gem; | |
847 | struct nouveau_bo *nvbo; | |
848 | bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT); | |
59701f96 | 849 | bool write = !!(req->flags & NOUVEAU_GEM_CPU_PREP_WRITE); |
d0b3c3b6 | 850 | int ret; |
6ee73861 | 851 | |
6ee73861 BS |
852 | gem = drm_gem_object_lookup(dev, file_priv, req->handle); |
853 | if (!gem) | |
bf79cb91 | 854 | return -ENOENT; |
6ee73861 BS |
855 | nvbo = nouveau_gem_object(gem); |
856 | ||
59701f96 ML |
857 | if (no_wait) |
858 | ret = reservation_object_test_signaled_rcu(nvbo->bo.resv, write) ? 0 : -EBUSY; | |
859 | else { | |
860 | long lret; | |
d0b3c3b6 | 861 | |
59701f96 ML |
862 | lret = reservation_object_wait_timeout_rcu(nvbo->bo.resv, write, true, 30 * HZ); |
863 | if (!lret) | |
864 | ret = -EBUSY; | |
865 | else if (lret > 0) | |
866 | ret = 0; | |
867 | else | |
868 | ret = lret; | |
d0b3c3b6 | 869 | } |
bc9025bd | 870 | drm_gem_object_unreference_unlocked(gem); |
d0b3c3b6 | 871 | |
6ee73861 BS |
872 | return ret; |
873 | } | |
874 | ||
875 | int | |
876 | nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data, | |
877 | struct drm_file *file_priv) | |
878 | { | |
21e86c1c | 879 | return 0; |
6ee73861 BS |
880 | } |
881 | ||
882 | int | |
883 | nouveau_gem_ioctl_info(struct drm_device *dev, void *data, | |
884 | struct drm_file *file_priv) | |
885 | { | |
886 | struct drm_nouveau_gem_info *req = data; | |
887 | struct drm_gem_object *gem; | |
888 | int ret; | |
889 | ||
6ee73861 BS |
890 | gem = drm_gem_object_lookup(dev, file_priv, req->handle); |
891 | if (!gem) | |
bf79cb91 | 892 | return -ENOENT; |
6ee73861 | 893 | |
e758a311 | 894 | ret = nouveau_gem_info(file_priv, gem, req); |
bc9025bd | 895 | drm_gem_object_unreference_unlocked(gem); |
6ee73861 BS |
896 | return ret; |
897 | } | |
898 |