Commit | Line | Data |
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771fe6b9 JG |
1 | /* |
2 | * Copyright 2008 Jerome Glisse. | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a | |
6 | * copy of this software and associated documentation files (the "Software"), | |
7 | * to deal in the Software without restriction, including without limitation | |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
9 | * and/or sell copies of the Software, and to permit persons to whom the | |
10 | * Software is furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice (including the next | |
13 | * paragraph) shall be included in all copies or substantial portions of the | |
14 | * Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
22 | * DEALINGS IN THE SOFTWARE. | |
23 | * | |
24 | * Authors: | |
25 | * Jerome Glisse <glisse@freedesktop.org> | |
26 | */ | |
27 | #include "drmP.h" | |
28 | #include "radeon_drm.h" | |
29 | #include "radeon_reg.h" | |
30 | #include "radeon.h" | |
31 | ||
32 | void r100_cs_dump_packet(struct radeon_cs_parser *p, | |
33 | struct radeon_cs_packet *pkt); | |
34 | ||
35 | int radeon_cs_parser_relocs(struct radeon_cs_parser *p) | |
36 | { | |
37 | struct drm_device *ddev = p->rdev->ddev; | |
38 | struct radeon_cs_chunk *chunk; | |
39 | unsigned i, j; | |
40 | bool duplicate; | |
41 | ||
42 | if (p->chunk_relocs_idx == -1) { | |
43 | return 0; | |
44 | } | |
45 | chunk = &p->chunks[p->chunk_relocs_idx]; | |
46 | /* FIXME: we assume that each relocs use 4 dwords */ | |
47 | p->nrelocs = chunk->length_dw / 4; | |
48 | p->relocs_ptr = kcalloc(p->nrelocs, sizeof(void *), GFP_KERNEL); | |
49 | if (p->relocs_ptr == NULL) { | |
50 | return -ENOMEM; | |
51 | } | |
52 | p->relocs = kcalloc(p->nrelocs, sizeof(struct radeon_cs_reloc), GFP_KERNEL); | |
53 | if (p->relocs == NULL) { | |
54 | return -ENOMEM; | |
55 | } | |
56 | for (i = 0; i < p->nrelocs; i++) { | |
57 | struct drm_radeon_cs_reloc *r; | |
58 | ||
59 | duplicate = false; | |
60 | r = (struct drm_radeon_cs_reloc *)&chunk->kdata[i*4]; | |
16557f1e | 61 | for (j = 0; j < i; j++) { |
771fe6b9 JG |
62 | if (r->handle == p->relocs[j].handle) { |
63 | p->relocs_ptr[i] = &p->relocs[j]; | |
64 | duplicate = true; | |
65 | break; | |
66 | } | |
67 | } | |
68 | if (!duplicate) { | |
69 | p->relocs[i].gobj = drm_gem_object_lookup(ddev, | |
70 | p->filp, | |
71 | r->handle); | |
72 | if (p->relocs[i].gobj == NULL) { | |
73 | DRM_ERROR("gem object lookup failed 0x%x\n", | |
74 | r->handle); | |
bf79cb91 | 75 | return -ENOENT; |
771fe6b9 JG |
76 | } |
77 | p->relocs_ptr[i] = &p->relocs[i]; | |
7e4d15d9 | 78 | p->relocs[i].robj = gem_to_radeon_bo(p->relocs[i].gobj); |
4c788679 | 79 | p->relocs[i].lobj.bo = p->relocs[i].robj; |
771fe6b9 | 80 | p->relocs[i].lobj.wdomain = r->write_domain; |
147666fb TH |
81 | p->relocs[i].lobj.rdomain = r->read_domains; |
82 | p->relocs[i].lobj.tv.bo = &p->relocs[i].robj->tbo; | |
771fe6b9 JG |
83 | p->relocs[i].handle = r->handle; |
84 | p->relocs[i].flags = r->flags; | |
4c788679 | 85 | radeon_bo_list_add_object(&p->relocs[i].lobj, |
147666fb | 86 | &p->validated); |
93504fce | 87 | |
16557f1e CK |
88 | } else |
89 | p->relocs[i].handle = 0; | |
771fe6b9 | 90 | } |
94429bb6 | 91 | return radeon_bo_list_validate(&p->validated); |
771fe6b9 JG |
92 | } |
93 | ||
721604a1 JG |
94 | static int radeon_cs_get_ring(struct radeon_cs_parser *p, u32 ring, s32 priority) |
95 | { | |
96 | p->priority = priority; | |
97 | ||
98 | switch (ring) { | |
99 | default: | |
100 | DRM_ERROR("unknown ring id: %d\n", ring); | |
101 | return -EINVAL; | |
102 | case RADEON_CS_RING_GFX: | |
103 | p->ring = RADEON_RING_TYPE_GFX_INDEX; | |
104 | break; | |
105 | case RADEON_CS_RING_COMPUTE: | |
8d5ef7b1 AD |
106 | if (p->rdev->family >= CHIP_TAHITI) { |
107 | if (p->priority > 0) | |
108 | p->ring = CAYMAN_RING_TYPE_CP1_INDEX; | |
109 | else | |
110 | p->ring = CAYMAN_RING_TYPE_CP2_INDEX; | |
111 | } else | |
112 | p->ring = RADEON_RING_TYPE_GFX_INDEX; | |
721604a1 JG |
113 | break; |
114 | } | |
115 | return 0; | |
116 | } | |
117 | ||
93504fce CK |
118 | static int radeon_cs_sync_rings(struct radeon_cs_parser *p) |
119 | { | |
cdac5504 | 120 | bool sync_to_ring[RADEON_NUM_RINGS] = { }; |
8f676c4c | 121 | bool need_sync = false; |
93504fce CK |
122 | int i, r; |
123 | ||
cdac5504 | 124 | for (i = 0; i < p->nrelocs; i++) { |
133f4cb3 JG |
125 | struct radeon_fence *fence; |
126 | ||
cdac5504 CK |
127 | if (!p->relocs[i].robj || !p->relocs[i].robj->tbo.sync_obj) |
128 | continue; | |
129 | ||
133f4cb3 JG |
130 | fence = p->relocs[i].robj->tbo.sync_obj; |
131 | if (fence->ring != p->ring && !radeon_fence_signaled(fence)) { | |
132 | sync_to_ring[fence->ring] = true; | |
133 | need_sync = true; | |
cdac5504 CK |
134 | } |
135 | } | |
136 | ||
8f676c4c CK |
137 | if (!need_sync) { |
138 | return 0; | |
139 | } | |
93504fce | 140 | |
f2e39221 | 141 | r = radeon_semaphore_create(p->rdev, &p->ib.semaphore); |
8f676c4c CK |
142 | if (r) { |
143 | return r; | |
93504fce | 144 | } |
8f676c4c | 145 | |
f2e39221 | 146 | return radeon_semaphore_sync_rings(p->rdev, p->ib.semaphore, |
8f676c4c | 147 | sync_to_ring, p->ring); |
93504fce CK |
148 | } |
149 | ||
771fe6b9 JG |
150 | int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data) |
151 | { | |
152 | struct drm_radeon_cs *cs = data; | |
153 | uint64_t *chunk_array_ptr; | |
721604a1 JG |
154 | unsigned size, i; |
155 | u32 ring = RADEON_CS_RING_GFX; | |
156 | s32 priority = 0; | |
771fe6b9 JG |
157 | |
158 | if (!cs->num_chunks) { | |
159 | return 0; | |
160 | } | |
161 | /* get chunks */ | |
162 | INIT_LIST_HEAD(&p->validated); | |
163 | p->idx = 0; | |
f2e39221 JG |
164 | p->ib.sa_bo = NULL; |
165 | p->ib.semaphore = NULL; | |
166 | p->const_ib.sa_bo = NULL; | |
167 | p->const_ib.semaphore = NULL; | |
771fe6b9 JG |
168 | p->chunk_ib_idx = -1; |
169 | p->chunk_relocs_idx = -1; | |
721604a1 | 170 | p->chunk_flags_idx = -1; |
dfcf5f36 | 171 | p->chunk_const_ib_idx = -1; |
771fe6b9 JG |
172 | p->chunks_array = kcalloc(cs->num_chunks, sizeof(uint64_t), GFP_KERNEL); |
173 | if (p->chunks_array == NULL) { | |
174 | return -ENOMEM; | |
175 | } | |
176 | chunk_array_ptr = (uint64_t *)(unsigned long)(cs->chunks); | |
177 | if (DRM_COPY_FROM_USER(p->chunks_array, chunk_array_ptr, | |
178 | sizeof(uint64_t)*cs->num_chunks)) { | |
179 | return -EFAULT; | |
180 | } | |
721604a1 | 181 | p->cs_flags = 0; |
771fe6b9 JG |
182 | p->nchunks = cs->num_chunks; |
183 | p->chunks = kcalloc(p->nchunks, sizeof(struct radeon_cs_chunk), GFP_KERNEL); | |
184 | if (p->chunks == NULL) { | |
185 | return -ENOMEM; | |
186 | } | |
187 | for (i = 0; i < p->nchunks; i++) { | |
188 | struct drm_radeon_cs_chunk __user **chunk_ptr = NULL; | |
189 | struct drm_radeon_cs_chunk user_chunk; | |
190 | uint32_t __user *cdata; | |
191 | ||
192 | chunk_ptr = (void __user*)(unsigned long)p->chunks_array[i]; | |
193 | if (DRM_COPY_FROM_USER(&user_chunk, chunk_ptr, | |
194 | sizeof(struct drm_radeon_cs_chunk))) { | |
195 | return -EFAULT; | |
196 | } | |
5176fdc4 DA |
197 | p->chunks[i].length_dw = user_chunk.length_dw; |
198 | p->chunks[i].kdata = NULL; | |
771fe6b9 | 199 | p->chunks[i].chunk_id = user_chunk.chunk_id; |
5176fdc4 | 200 | |
771fe6b9 JG |
201 | if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_RELOCS) { |
202 | p->chunk_relocs_idx = i; | |
203 | } | |
204 | if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_IB) { | |
205 | p->chunk_ib_idx = i; | |
5176fdc4 DA |
206 | /* zero length IB isn't useful */ |
207 | if (p->chunks[i].length_dw == 0) | |
208 | return -EINVAL; | |
771fe6b9 | 209 | } |
dfcf5f36 AD |
210 | if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_CONST_IB) { |
211 | p->chunk_const_ib_idx = i; | |
212 | /* zero length CONST IB isn't useful */ | |
213 | if (p->chunks[i].length_dw == 0) | |
214 | return -EINVAL; | |
215 | } | |
721604a1 JG |
216 | if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS) { |
217 | p->chunk_flags_idx = i; | |
218 | /* zero length flags aren't useful */ | |
219 | if (p->chunks[i].length_dw == 0) | |
220 | return -EINVAL; | |
e70f224c | 221 | } |
5176fdc4 | 222 | |
771fe6b9 | 223 | p->chunks[i].length_dw = user_chunk.length_dw; |
513bcb46 | 224 | p->chunks[i].user_ptr = (void __user *)(unsigned long)user_chunk.chunk_data; |
771fe6b9 | 225 | |
513bcb46 | 226 | cdata = (uint32_t *)(unsigned long)user_chunk.chunk_data; |
721604a1 JG |
227 | if ((p->chunks[i].chunk_id == RADEON_CHUNK_ID_RELOCS) || |
228 | (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS)) { | |
513bcb46 DA |
229 | size = p->chunks[i].length_dw * sizeof(uint32_t); |
230 | p->chunks[i].kdata = kmalloc(size, GFP_KERNEL); | |
231 | if (p->chunks[i].kdata == NULL) { | |
232 | return -ENOMEM; | |
233 | } | |
234 | if (DRM_COPY_FROM_USER(p->chunks[i].kdata, | |
235 | p->chunks[i].user_ptr, size)) { | |
236 | return -EFAULT; | |
237 | } | |
e70f224c | 238 | if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS) { |
721604a1 JG |
239 | p->cs_flags = p->chunks[i].kdata[0]; |
240 | if (p->chunks[i].length_dw > 1) | |
241 | ring = p->chunks[i].kdata[1]; | |
242 | if (p->chunks[i].length_dw > 2) | |
243 | priority = (s32)p->chunks[i].kdata[2]; | |
e70f224c | 244 | } |
771fe6b9 JG |
245 | } |
246 | } | |
721604a1 JG |
247 | |
248 | if ((p->cs_flags & RADEON_CS_USE_VM) && | |
67e915e4 AD |
249 | !p->rdev->vm_manager.enabled) { |
250 | DRM_ERROR("VM not active on asic!\n"); | |
771fe6b9 JG |
251 | return -EINVAL; |
252 | } | |
e70f224c | 253 | |
1b5475db AD |
254 | /* we only support VM on SI+ */ |
255 | if ((p->rdev->family >= CHIP_TAHITI) && | |
256 | ((p->cs_flags & RADEON_CS_USE_VM) == 0)) { | |
257 | DRM_ERROR("VM required on SI+!\n"); | |
258 | return -EINVAL; | |
259 | } | |
260 | ||
f48bb04a | 261 | if (radeon_cs_get_ring(p, ring, priority)) |
721604a1 | 262 | return -EINVAL; |
721604a1 JG |
263 | |
264 | ||
265 | /* deal with non-vm */ | |
266 | if ((p->chunk_ib_idx != -1) && | |
267 | ((p->cs_flags & RADEON_CS_USE_VM) == 0) && | |
268 | (p->chunks[p->chunk_ib_idx].chunk_id == RADEON_CHUNK_ID_IB)) { | |
269 | if (p->chunks[p->chunk_ib_idx].length_dw > (16 * 1024)) { | |
270 | DRM_ERROR("cs IB too big: %d\n", | |
271 | p->chunks[p->chunk_ib_idx].length_dw); | |
272 | return -EINVAL; | |
273 | } | |
6a7068b4 DA |
274 | if ((p->rdev->flags & RADEON_IS_AGP)) { |
275 | p->chunks[p->chunk_ib_idx].kpage[0] = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
276 | p->chunks[p->chunk_ib_idx].kpage[1] = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
277 | if (p->chunks[p->chunk_ib_idx].kpage[0] == NULL || | |
278 | p->chunks[p->chunk_ib_idx].kpage[1] == NULL) { | |
279 | kfree(p->chunks[i].kpage[0]); | |
280 | kfree(p->chunks[i].kpage[1]); | |
281 | return -ENOMEM; | |
282 | } | |
283 | } | |
721604a1 JG |
284 | p->chunks[p->chunk_ib_idx].kpage_idx[0] = -1; |
285 | p->chunks[p->chunk_ib_idx].kpage_idx[1] = -1; | |
286 | p->chunks[p->chunk_ib_idx].last_copied_page = -1; | |
287 | p->chunks[p->chunk_ib_idx].last_page_index = | |
288 | ((p->chunks[p->chunk_ib_idx].length_dw * 4) - 1) / PAGE_SIZE; | |
289 | } | |
290 | ||
771fe6b9 JG |
291 | return 0; |
292 | } | |
293 | ||
294 | /** | |
295 | * cs_parser_fini() - clean parser states | |
296 | * @parser: parser structure holding parsing context. | |
297 | * @error: error number | |
298 | * | |
299 | * If error is set than unvalidate buffer, otherwise just free memory | |
300 | * used by parsing context. | |
301 | **/ | |
302 | static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error) | |
303 | { | |
304 | unsigned i; | |
305 | ||
f2e39221 | 306 | if (!error) |
147666fb | 307 | ttm_eu_fence_buffer_objects(&parser->validated, |
f2e39221 | 308 | parser->ib.fence); |
147666fb TH |
309 | else |
310 | ttm_eu_backoff_reservation(&parser->validated); | |
311 | ||
fcbc451b PN |
312 | if (parser->relocs != NULL) { |
313 | for (i = 0; i < parser->nrelocs; i++) { | |
314 | if (parser->relocs[i].gobj) | |
315 | drm_gem_object_unreference_unlocked(parser->relocs[i].gobj); | |
316 | } | |
771fe6b9 | 317 | } |
48e113e5 | 318 | kfree(parser->track); |
771fe6b9 JG |
319 | kfree(parser->relocs); |
320 | kfree(parser->relocs_ptr); | |
321 | for (i = 0; i < parser->nchunks; i++) { | |
322 | kfree(parser->chunks[i].kdata); | |
6a7068b4 DA |
323 | if ((parser->rdev->flags & RADEON_IS_AGP)) { |
324 | kfree(parser->chunks[i].kpage[0]); | |
325 | kfree(parser->chunks[i].kpage[1]); | |
326 | } | |
771fe6b9 JG |
327 | } |
328 | kfree(parser->chunks); | |
329 | kfree(parser->chunks_array); | |
330 | radeon_ib_free(parser->rdev, &parser->ib); | |
f2e39221 | 331 | radeon_ib_free(parser->rdev, &parser->const_ib); |
771fe6b9 JG |
332 | } |
333 | ||
721604a1 JG |
334 | static int radeon_cs_ib_chunk(struct radeon_device *rdev, |
335 | struct radeon_cs_parser *parser) | |
336 | { | |
337 | struct radeon_cs_chunk *ib_chunk; | |
338 | int r; | |
339 | ||
340 | if (parser->chunk_ib_idx == -1) | |
341 | return 0; | |
342 | ||
343 | if (parser->cs_flags & RADEON_CS_USE_VM) | |
344 | return 0; | |
345 | ||
346 | ib_chunk = &parser->chunks[parser->chunk_ib_idx]; | |
347 | /* Copy the packet into the IB, the parser will read from the | |
348 | * input memory (cached) and write to the IB (which can be | |
349 | * uncached). | |
350 | */ | |
351 | r = radeon_ib_get(rdev, parser->ring, &parser->ib, | |
352 | ib_chunk->length_dw * 4); | |
353 | if (r) { | |
354 | DRM_ERROR("Failed to get ib !\n"); | |
355 | return r; | |
356 | } | |
f2e39221 | 357 | parser->ib.length_dw = ib_chunk->length_dw; |
eb0c19c5 | 358 | r = radeon_cs_parse(rdev, parser->ring, parser); |
721604a1 JG |
359 | if (r || parser->parser_error) { |
360 | DRM_ERROR("Invalid command stream !\n"); | |
361 | return r; | |
362 | } | |
363 | r = radeon_cs_finish_pages(parser); | |
364 | if (r) { | |
365 | DRM_ERROR("Invalid command stream !\n"); | |
366 | return r; | |
367 | } | |
93504fce CK |
368 | r = radeon_cs_sync_rings(parser); |
369 | if (r) { | |
370 | DRM_ERROR("Failed to synchronize rings !\n"); | |
371 | } | |
f2e39221 JG |
372 | parser->ib.vm_id = 0; |
373 | r = radeon_ib_schedule(rdev, &parser->ib); | |
721604a1 JG |
374 | if (r) { |
375 | DRM_ERROR("Failed to schedule IB !\n"); | |
376 | } | |
377 | return 0; | |
378 | } | |
379 | ||
380 | static int radeon_bo_vm_update_pte(struct radeon_cs_parser *parser, | |
381 | struct radeon_vm *vm) | |
382 | { | |
383 | struct radeon_bo_list *lobj; | |
384 | struct radeon_bo *bo; | |
385 | int r; | |
386 | ||
387 | list_for_each_entry(lobj, &parser->validated, tv.head) { | |
388 | bo = lobj->bo; | |
389 | r = radeon_vm_bo_update_pte(parser->rdev, vm, bo, &bo->tbo.mem); | |
390 | if (r) { | |
391 | return r; | |
392 | } | |
393 | } | |
394 | return 0; | |
395 | } | |
396 | ||
397 | static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev, | |
398 | struct radeon_cs_parser *parser) | |
399 | { | |
400 | struct radeon_cs_chunk *ib_chunk; | |
401 | struct radeon_fpriv *fpriv = parser->filp->driver_priv; | |
402 | struct radeon_vm *vm = &fpriv->vm; | |
403 | int r; | |
404 | ||
405 | if (parser->chunk_ib_idx == -1) | |
406 | return 0; | |
407 | ||
408 | if ((parser->cs_flags & RADEON_CS_USE_VM) == 0) | |
409 | return 0; | |
410 | ||
dfcf5f36 AD |
411 | if ((rdev->family >= CHIP_TAHITI) && |
412 | (parser->chunk_const_ib_idx != -1)) { | |
413 | ib_chunk = &parser->chunks[parser->chunk_const_ib_idx]; | |
414 | if (ib_chunk->length_dw > RADEON_IB_VM_MAX_SIZE) { | |
415 | DRM_ERROR("cs IB CONST too big: %d\n", ib_chunk->length_dw); | |
416 | return -EINVAL; | |
417 | } | |
418 | r = radeon_ib_get(rdev, parser->ring, &parser->const_ib, | |
419 | ib_chunk->length_dw * 4); | |
420 | if (r) { | |
421 | DRM_ERROR("Failed to get const ib !\n"); | |
422 | return r; | |
423 | } | |
f2e39221 JG |
424 | parser->const_ib.is_const_ib = true; |
425 | parser->const_ib.length_dw = ib_chunk->length_dw; | |
dfcf5f36 | 426 | /* Copy the packet into the IB */ |
f2e39221 | 427 | if (DRM_COPY_FROM_USER(parser->const_ib.ptr, ib_chunk->user_ptr, |
dfcf5f36 AD |
428 | ib_chunk->length_dw * 4)) { |
429 | return -EFAULT; | |
430 | } | |
f2e39221 | 431 | r = radeon_ring_ib_parse(rdev, parser->ring, &parser->const_ib); |
dfcf5f36 AD |
432 | if (r) { |
433 | return r; | |
434 | } | |
435 | } | |
436 | ||
721604a1 JG |
437 | ib_chunk = &parser->chunks[parser->chunk_ib_idx]; |
438 | if (ib_chunk->length_dw > RADEON_IB_VM_MAX_SIZE) { | |
439 | DRM_ERROR("cs IB too big: %d\n", ib_chunk->length_dw); | |
440 | return -EINVAL; | |
441 | } | |
442 | r = radeon_ib_get(rdev, parser->ring, &parser->ib, | |
443 | ib_chunk->length_dw * 4); | |
444 | if (r) { | |
445 | DRM_ERROR("Failed to get ib !\n"); | |
446 | return r; | |
447 | } | |
f2e39221 | 448 | parser->ib.length_dw = ib_chunk->length_dw; |
721604a1 | 449 | /* Copy the packet into the IB */ |
f2e39221 | 450 | if (DRM_COPY_FROM_USER(parser->ib.ptr, ib_chunk->user_ptr, |
721604a1 JG |
451 | ib_chunk->length_dw * 4)) { |
452 | return -EFAULT; | |
453 | } | |
f2e39221 | 454 | r = radeon_ring_ib_parse(rdev, parser->ring, &parser->ib); |
721604a1 JG |
455 | if (r) { |
456 | return r; | |
457 | } | |
458 | ||
459 | mutex_lock(&vm->mutex); | |
460 | r = radeon_vm_bind(rdev, vm); | |
461 | if (r) { | |
462 | goto out; | |
463 | } | |
464 | r = radeon_bo_vm_update_pte(parser, vm); | |
465 | if (r) { | |
466 | goto out; | |
467 | } | |
93504fce CK |
468 | r = radeon_cs_sync_rings(parser); |
469 | if (r) { | |
470 | DRM_ERROR("Failed to synchronize rings !\n"); | |
471 | } | |
dfcf5f36 AD |
472 | |
473 | if ((rdev->family >= CHIP_TAHITI) && | |
474 | (parser->chunk_const_ib_idx != -1)) { | |
f2e39221 | 475 | parser->const_ib.vm_id = vm->id; |
dfcf5f36 AD |
476 | /* ib pool is bind at 0 in virtual address space to gpu_addr is the |
477 | * offset inside the pool bo | |
478 | */ | |
f2e39221 JG |
479 | parser->const_ib.gpu_addr = parser->const_ib.sa_bo->soffset; |
480 | r = radeon_ib_schedule(rdev, &parser->const_ib); | |
dfcf5f36 AD |
481 | if (r) |
482 | goto out; | |
483 | } | |
484 | ||
f2e39221 | 485 | parser->ib.vm_id = vm->id; |
721604a1 JG |
486 | /* ib pool is bind at 0 in virtual address space to gpu_addr is the |
487 | * offset inside the pool bo | |
488 | */ | |
f2e39221 JG |
489 | parser->ib.gpu_addr = parser->ib.sa_bo->soffset; |
490 | parser->ib.is_const_ib = false; | |
491 | r = radeon_ib_schedule(rdev, &parser->ib); | |
721604a1 JG |
492 | out: |
493 | if (!r) { | |
494 | if (vm->fence) { | |
495 | radeon_fence_unref(&vm->fence); | |
496 | } | |
f2e39221 | 497 | vm->fence = radeon_fence_ref(parser->ib.fence); |
721604a1 JG |
498 | } |
499 | mutex_unlock(&fpriv->vm.mutex); | |
500 | return r; | |
501 | } | |
502 | ||
6c6f4783 CK |
503 | static int radeon_cs_handle_lockup(struct radeon_device *rdev, int r) |
504 | { | |
505 | if (r == -EDEADLK) { | |
506 | r = radeon_gpu_reset(rdev); | |
507 | if (!r) | |
508 | r = -EAGAIN; | |
509 | } | |
510 | return r; | |
511 | } | |
512 | ||
771fe6b9 JG |
513 | int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) |
514 | { | |
515 | struct radeon_device *rdev = dev->dev_private; | |
516 | struct radeon_cs_parser parser; | |
771fe6b9 JG |
517 | int r; |
518 | ||
7a1619b9 | 519 | radeon_mutex_lock(&rdev->cs_mutex); |
6b7746e8 JG |
520 | if (!rdev->accel_working) { |
521 | radeon_mutex_unlock(&rdev->cs_mutex); | |
522 | return -EBUSY; | |
523 | } | |
771fe6b9 JG |
524 | /* initialize parser */ |
525 | memset(&parser, 0, sizeof(struct radeon_cs_parser)); | |
526 | parser.filp = filp; | |
527 | parser.rdev = rdev; | |
c8c15ff1 | 528 | parser.dev = rdev->dev; |
428c6e36 | 529 | parser.family = rdev->family; |
771fe6b9 JG |
530 | r = radeon_cs_parser_init(&parser, data); |
531 | if (r) { | |
532 | DRM_ERROR("Failed to initialize parser !\n"); | |
533 | radeon_cs_parser_fini(&parser, r); | |
6c6f4783 | 534 | r = radeon_cs_handle_lockup(rdev, r); |
7a1619b9 | 535 | radeon_mutex_unlock(&rdev->cs_mutex); |
771fe6b9 JG |
536 | return r; |
537 | } | |
771fe6b9 JG |
538 | r = radeon_cs_parser_relocs(&parser); |
539 | if (r) { | |
97f23b3d DA |
540 | if (r != -ERESTARTSYS) |
541 | DRM_ERROR("Failed to parse relocation %d!\n", r); | |
771fe6b9 | 542 | radeon_cs_parser_fini(&parser, r); |
6c6f4783 | 543 | r = radeon_cs_handle_lockup(rdev, r); |
7a1619b9 | 544 | radeon_mutex_unlock(&rdev->cs_mutex); |
771fe6b9 JG |
545 | return r; |
546 | } | |
721604a1 | 547 | r = radeon_cs_ib_chunk(rdev, &parser); |
771fe6b9 | 548 | if (r) { |
721604a1 | 549 | goto out; |
771fe6b9 | 550 | } |
721604a1 | 551 | r = radeon_cs_ib_vm_chunk(rdev, &parser); |
771fe6b9 | 552 | if (r) { |
721604a1 | 553 | goto out; |
771fe6b9 | 554 | } |
721604a1 | 555 | out: |
771fe6b9 | 556 | radeon_cs_parser_fini(&parser, r); |
6c6f4783 | 557 | r = radeon_cs_handle_lockup(rdev, r); |
7a1619b9 | 558 | radeon_mutex_unlock(&rdev->cs_mutex); |
771fe6b9 JG |
559 | return r; |
560 | } | |
513bcb46 DA |
561 | |
562 | int radeon_cs_finish_pages(struct radeon_cs_parser *p) | |
563 | { | |
564 | struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx]; | |
565 | int i; | |
566 | int size = PAGE_SIZE; | |
567 | ||
568 | for (i = ibc->last_copied_page + 1; i <= ibc->last_page_index; i++) { | |
569 | if (i == ibc->last_page_index) { | |
570 | size = (ibc->length_dw * 4) % PAGE_SIZE; | |
571 | if (size == 0) | |
572 | size = PAGE_SIZE; | |
573 | } | |
574 | ||
f2e39221 | 575 | if (DRM_COPY_FROM_USER(p->ib.ptr + (i * (PAGE_SIZE/4)), |
513bcb46 DA |
576 | ibc->user_ptr + (i * PAGE_SIZE), |
577 | size)) | |
578 | return -EFAULT; | |
579 | } | |
580 | return 0; | |
581 | } | |
582 | ||
583 | int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx) | |
584 | { | |
585 | int new_page; | |
513bcb46 DA |
586 | struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx]; |
587 | int i; | |
588 | int size = PAGE_SIZE; | |
6a7068b4 | 589 | bool copy1 = (p->rdev->flags & RADEON_IS_AGP) ? false : true; |
513bcb46 | 590 | |
c5e617e2 | 591 | for (i = ibc->last_copied_page + 1; i < pg_idx; i++) { |
f2e39221 | 592 | if (DRM_COPY_FROM_USER(p->ib.ptr + (i * (PAGE_SIZE/4)), |
513bcb46 DA |
593 | ibc->user_ptr + (i * PAGE_SIZE), |
594 | PAGE_SIZE)) { | |
595 | p->parser_error = -EFAULT; | |
596 | return 0; | |
597 | } | |
598 | } | |
599 | ||
513bcb46 DA |
600 | if (pg_idx == ibc->last_page_index) { |
601 | size = (ibc->length_dw * 4) % PAGE_SIZE; | |
6a7068b4 DA |
602 | if (size == 0) |
603 | size = PAGE_SIZE; | |
513bcb46 DA |
604 | } |
605 | ||
6a7068b4 DA |
606 | new_page = ibc->kpage_idx[0] < ibc->kpage_idx[1] ? 0 : 1; |
607 | if (copy1) | |
f2e39221 | 608 | ibc->kpage[new_page] = p->ib.ptr + (pg_idx * (PAGE_SIZE / 4)); |
6a7068b4 | 609 | |
513bcb46 DA |
610 | if (DRM_COPY_FROM_USER(ibc->kpage[new_page], |
611 | ibc->user_ptr + (pg_idx * PAGE_SIZE), | |
612 | size)) { | |
613 | p->parser_error = -EFAULT; | |
614 | return 0; | |
615 | } | |
616 | ||
6a7068b4 DA |
617 | /* copy to IB for non single case */ |
618 | if (!copy1) | |
f2e39221 | 619 | memcpy((void *)(p->ib.ptr+(pg_idx*(PAGE_SIZE/4))), ibc->kpage[new_page], size); |
513bcb46 DA |
620 | |
621 | ibc->last_copied_page = pg_idx; | |
622 | ibc->kpage_idx[new_page] = pg_idx; | |
623 | ||
624 | return new_page; | |
625 | } |