blob: 5cac8327833840d5b2503d0e8dd028b283d858a7 [file] [log] [blame]
Jerome Glisse771fe6b2009-06-05 14:42:42 +02001/*
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
32void r100_cs_dump_packet(struct radeon_cs_parser *p,
33 struct radeon_cs_packet *pkt);
34
35int 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];
Christian König16557f12011-10-24 14:59:17 +020061 for (j = 0; j < i; j++) {
Jerome Glisse771fe6b2009-06-05 14:42:42 +020062 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);
Chris Wilsonbf79cb92010-08-04 14:19:46 +010075 return -ENOENT;
Jerome Glisse771fe6b2009-06-05 14:42:42 +020076 }
77 p->relocs_ptr[i] = &p->relocs[i];
Daniel Vetter7e4d15d2011-02-18 17:59:17 +010078 p->relocs[i].robj = gem_to_radeon_bo(p->relocs[i].gobj);
Jerome Glisse4c788672009-11-20 14:29:23 +010079 p->relocs[i].lobj.bo = p->relocs[i].robj;
Jerome Glisse771fe6b2009-06-05 14:42:42 +020080 p->relocs[i].lobj.wdomain = r->write_domain;
Thomas Hellstrom147666f2010-11-17 12:38:32 +000081 p->relocs[i].lobj.rdomain = r->read_domains;
82 p->relocs[i].lobj.tv.bo = &p->relocs[i].robj->tbo;
Jerome Glisse771fe6b2009-06-05 14:42:42 +020083 p->relocs[i].handle = r->handle;
84 p->relocs[i].flags = r->flags;
Jerome Glisse4c788672009-11-20 14:29:23 +010085 radeon_bo_list_add_object(&p->relocs[i].lobj,
Thomas Hellstrom147666f2010-11-17 12:38:32 +000086 &p->validated);
Christian König93504fc2012-01-05 22:11:06 -050087
Christian König16557f12011-10-24 14:59:17 +020088 } else
89 p->relocs[i].handle = 0;
Jerome Glisse771fe6b2009-06-05 14:42:42 +020090 }
Jerome Glisse94429bb2010-02-15 21:36:33 +010091 return radeon_bo_list_validate(&p->validated);
Jerome Glisse771fe6b2009-06-05 14:42:42 +020092}
93
Jerome Glisse721604a2012-01-05 22:11:05 -050094static 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:
Alex Deucher8d5ef7b2012-03-20 17:18:24 -0400106 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;
Jerome Glisse721604a2012-01-05 22:11:05 -0500113 break;
114 }
115 return 0;
116}
117
Christian König93504fc2012-01-05 22:11:06 -0500118static int radeon_cs_sync_rings(struct radeon_cs_parser *p)
119{
Christian Königcdac5502012-02-23 15:18:42 +0100120 bool sync_to_ring[RADEON_NUM_RINGS] = { };
Christian König93504fc2012-01-05 22:11:06 -0500121 int i, r;
122
Christian Königcdac5502012-02-23 15:18:42 +0100123 for (i = 0; i < p->nrelocs; i++) {
124 if (!p->relocs[i].robj || !p->relocs[i].robj->tbo.sync_obj)
125 continue;
126
127 if (!(p->relocs[i].flags & RADEON_RELOC_DONT_SYNC)) {
128 struct radeon_fence *fence = p->relocs[i].robj->tbo.sync_obj;
129 if (!radeon_fence_signaled(fence)) {
130 sync_to_ring[fence->ring] = true;
131 }
132 }
133 }
134
Christian König93504fc2012-01-05 22:11:06 -0500135 for (i = 0; i < RADEON_NUM_RINGS; ++i) {
136 /* no need to sync to our own or unused rings */
Christian Königcdac5502012-02-23 15:18:42 +0100137 if (i == p->ring || !sync_to_ring[i] || !p->rdev->ring[i].ready)
Christian König93504fc2012-01-05 22:11:06 -0500138 continue;
139
140 if (!p->ib->fence->semaphore) {
141 r = radeon_semaphore_create(p->rdev, &p->ib->fence->semaphore);
142 if (r)
143 return r;
144 }
145
146 r = radeon_ring_lock(p->rdev, &p->rdev->ring[i], 3);
147 if (r)
148 return r;
149 radeon_semaphore_emit_signal(p->rdev, i, p->ib->fence->semaphore);
150 radeon_ring_unlock_commit(p->rdev, &p->rdev->ring[i]);
151
152 r = radeon_ring_lock(p->rdev, &p->rdev->ring[p->ring], 3);
153 if (r)
154 return r;
155 radeon_semaphore_emit_wait(p->rdev, p->ring, p->ib->fence->semaphore);
156 radeon_ring_unlock_commit(p->rdev, &p->rdev->ring[p->ring]);
157 }
158 return 0;
159}
160
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200161int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
162{
163 struct drm_radeon_cs *cs = data;
164 uint64_t *chunk_array_ptr;
Jerome Glisse721604a2012-01-05 22:11:05 -0500165 unsigned size, i;
166 u32 ring = RADEON_CS_RING_GFX;
167 s32 priority = 0;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200168
169 if (!cs->num_chunks) {
170 return 0;
171 }
172 /* get chunks */
173 INIT_LIST_HEAD(&p->validated);
174 p->idx = 0;
175 p->chunk_ib_idx = -1;
176 p->chunk_relocs_idx = -1;
Jerome Glisse721604a2012-01-05 22:11:05 -0500177 p->chunk_flags_idx = -1;
Alex Deucherdfcf5f32012-03-20 17:18:14 -0400178 p->chunk_const_ib_idx = -1;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200179 p->chunks_array = kcalloc(cs->num_chunks, sizeof(uint64_t), GFP_KERNEL);
180 if (p->chunks_array == NULL) {
181 return -ENOMEM;
182 }
183 chunk_array_ptr = (uint64_t *)(unsigned long)(cs->chunks);
184 if (DRM_COPY_FROM_USER(p->chunks_array, chunk_array_ptr,
185 sizeof(uint64_t)*cs->num_chunks)) {
186 return -EFAULT;
187 }
Jerome Glisse721604a2012-01-05 22:11:05 -0500188 p->cs_flags = 0;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200189 p->nchunks = cs->num_chunks;
190 p->chunks = kcalloc(p->nchunks, sizeof(struct radeon_cs_chunk), GFP_KERNEL);
191 if (p->chunks == NULL) {
192 return -ENOMEM;
193 }
194 for (i = 0; i < p->nchunks; i++) {
195 struct drm_radeon_cs_chunk __user **chunk_ptr = NULL;
196 struct drm_radeon_cs_chunk user_chunk;
197 uint32_t __user *cdata;
198
199 chunk_ptr = (void __user*)(unsigned long)p->chunks_array[i];
200 if (DRM_COPY_FROM_USER(&user_chunk, chunk_ptr,
201 sizeof(struct drm_radeon_cs_chunk))) {
202 return -EFAULT;
203 }
Dave Airlie5176fdc2009-06-30 11:47:14 +1000204 p->chunks[i].length_dw = user_chunk.length_dw;
205 p->chunks[i].kdata = NULL;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200206 p->chunks[i].chunk_id = user_chunk.chunk_id;
Dave Airlie5176fdc2009-06-30 11:47:14 +1000207
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200208 if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_RELOCS) {
209 p->chunk_relocs_idx = i;
210 }
211 if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_IB) {
212 p->chunk_ib_idx = i;
Dave Airlie5176fdc2009-06-30 11:47:14 +1000213 /* zero length IB isn't useful */
214 if (p->chunks[i].length_dw == 0)
215 return -EINVAL;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200216 }
Alex Deucherdfcf5f32012-03-20 17:18:14 -0400217 if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_CONST_IB) {
218 p->chunk_const_ib_idx = i;
219 /* zero length CONST IB isn't useful */
220 if (p->chunks[i].length_dw == 0)
221 return -EINVAL;
222 }
Jerome Glisse721604a2012-01-05 22:11:05 -0500223 if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS) {
224 p->chunk_flags_idx = i;
225 /* zero length flags aren't useful */
226 if (p->chunks[i].length_dw == 0)
227 return -EINVAL;
Marek Olšáke70f2242011-10-25 01:38:45 +0200228 }
Dave Airlie5176fdc2009-06-30 11:47:14 +1000229
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200230 p->chunks[i].length_dw = user_chunk.length_dw;
Dave Airlie513bcb42009-09-23 16:56:27 +1000231 p->chunks[i].user_ptr = (void __user *)(unsigned long)user_chunk.chunk_data;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200232
Dave Airlie513bcb42009-09-23 16:56:27 +1000233 cdata = (uint32_t *)(unsigned long)user_chunk.chunk_data;
Jerome Glisse721604a2012-01-05 22:11:05 -0500234 if ((p->chunks[i].chunk_id == RADEON_CHUNK_ID_RELOCS) ||
235 (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS)) {
Dave Airlie513bcb42009-09-23 16:56:27 +1000236 size = p->chunks[i].length_dw * sizeof(uint32_t);
237 p->chunks[i].kdata = kmalloc(size, GFP_KERNEL);
238 if (p->chunks[i].kdata == NULL) {
239 return -ENOMEM;
240 }
241 if (DRM_COPY_FROM_USER(p->chunks[i].kdata,
242 p->chunks[i].user_ptr, size)) {
243 return -EFAULT;
244 }
Marek Olšáke70f2242011-10-25 01:38:45 +0200245 if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS) {
Jerome Glisse721604a2012-01-05 22:11:05 -0500246 p->cs_flags = p->chunks[i].kdata[0];
247 if (p->chunks[i].length_dw > 1)
248 ring = p->chunks[i].kdata[1];
249 if (p->chunks[i].length_dw > 2)
250 priority = (s32)p->chunks[i].kdata[2];
Marek Olšáke70f2242011-10-25 01:38:45 +0200251 }
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200252 }
253 }
Jerome Glisse721604a2012-01-05 22:11:05 -0500254
255 if ((p->cs_flags & RADEON_CS_USE_VM) &&
Alex Deucher67e915e2012-01-06 09:38:15 -0500256 !p->rdev->vm_manager.enabled) {
257 DRM_ERROR("VM not active on asic!\n");
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200258 return -EINVAL;
259 }
Marek Olšáke70f2242011-10-25 01:38:45 +0200260
Alex Deucher1b5475d2012-03-20 17:18:16 -0400261 /* we only support VM on SI+ */
262 if ((p->rdev->family >= CHIP_TAHITI) &&
263 ((p->cs_flags & RADEON_CS_USE_VM) == 0)) {
264 DRM_ERROR("VM required on SI+!\n");
265 return -EINVAL;
266 }
267
Julia Lawallf48bb042012-03-17 18:03:29 +0100268 if (radeon_cs_get_ring(p, ring, priority))
Jerome Glisse721604a2012-01-05 22:11:05 -0500269 return -EINVAL;
Jerome Glisse721604a2012-01-05 22:11:05 -0500270
271
272 /* deal with non-vm */
273 if ((p->chunk_ib_idx != -1) &&
274 ((p->cs_flags & RADEON_CS_USE_VM) == 0) &&
275 (p->chunks[p->chunk_ib_idx].chunk_id == RADEON_CHUNK_ID_IB)) {
276 if (p->chunks[p->chunk_ib_idx].length_dw > (16 * 1024)) {
277 DRM_ERROR("cs IB too big: %d\n",
278 p->chunks[p->chunk_ib_idx].length_dw);
279 return -EINVAL;
280 }
281 p->chunks[p->chunk_ib_idx].kpage[0] = kmalloc(PAGE_SIZE, GFP_KERNEL);
282 p->chunks[p->chunk_ib_idx].kpage[1] = kmalloc(PAGE_SIZE, GFP_KERNEL);
283 if (p->chunks[p->chunk_ib_idx].kpage[0] == NULL ||
Julia Lawallf48bb042012-03-17 18:03:29 +0100284 p->chunks[p->chunk_ib_idx].kpage[1] == NULL)
Jerome Glisse721604a2012-01-05 22:11:05 -0500285 return -ENOMEM;
Jerome Glisse721604a2012-01-05 22:11:05 -0500286 p->chunks[p->chunk_ib_idx].kpage_idx[0] = -1;
287 p->chunks[p->chunk_ib_idx].kpage_idx[1] = -1;
288 p->chunks[p->chunk_ib_idx].last_copied_page = -1;
289 p->chunks[p->chunk_ib_idx].last_page_index =
290 ((p->chunks[p->chunk_ib_idx].length_dw * 4) - 1) / PAGE_SIZE;
291 }
292
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200293 return 0;
294}
295
296/**
297 * cs_parser_fini() - clean parser states
298 * @parser: parser structure holding parsing context.
299 * @error: error number
300 *
301 * If error is set than unvalidate buffer, otherwise just free memory
302 * used by parsing context.
303 **/
304static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error)
305{
306 unsigned i;
307
Thomas Hellstrom147666f2010-11-17 12:38:32 +0000308
309 if (!error && parser->ib)
310 ttm_eu_fence_buffer_objects(&parser->validated,
311 parser->ib->fence);
312 else
313 ttm_eu_backoff_reservation(&parser->validated);
314
Pauli Nieminenfcbc4512010-03-19 07:44:33 +0000315 if (parser->relocs != NULL) {
316 for (i = 0; i < parser->nrelocs; i++) {
317 if (parser->relocs[i].gobj)
318 drm_gem_object_unreference_unlocked(parser->relocs[i].gobj);
319 }
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200320 }
Michel Dänzer48e113e2009-09-15 17:09:32 +0200321 kfree(parser->track);
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200322 kfree(parser->relocs);
323 kfree(parser->relocs_ptr);
324 for (i = 0; i < parser->nchunks; i++) {
325 kfree(parser->chunks[i].kdata);
Dave Airlie513bcb42009-09-23 16:56:27 +1000326 kfree(parser->chunks[i].kpage[0]);
327 kfree(parser->chunks[i].kpage[1]);
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200328 }
329 kfree(parser->chunks);
330 kfree(parser->chunks_array);
331 radeon_ib_free(parser->rdev, &parser->ib);
332}
333
Jerome Glisse721604a2012-01-05 22:11:05 -0500334static 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 }
357 parser->ib->length_dw = ib_chunk->length_dw;
Christian Königeb0c19c2012-02-23 15:18:44 +0100358 r = radeon_cs_parse(rdev, parser->ring, parser);
Jerome Glisse721604a2012-01-05 22:11:05 -0500359 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 }
Christian König93504fc2012-01-05 22:11:06 -0500368 r = radeon_cs_sync_rings(parser);
369 if (r) {
370 DRM_ERROR("Failed to synchronize rings !\n");
371 }
Jerome Glisse721604a2012-01-05 22:11:05 -0500372 parser->ib->vm_id = 0;
373 r = radeon_ib_schedule(rdev, parser->ib);
374 if (r) {
375 DRM_ERROR("Failed to schedule IB !\n");
376 }
377 return 0;
378}
379
380static 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
397static 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
Alex Deucherdfcf5f32012-03-20 17:18:14 -0400411 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 }
424 parser->const_ib->is_const_ib = true;
425 parser->const_ib->length_dw = ib_chunk->length_dw;
426 /* Copy the packet into the IB */
427 if (DRM_COPY_FROM_USER(parser->const_ib->ptr, ib_chunk->user_ptr,
428 ib_chunk->length_dw * 4)) {
429 return -EFAULT;
430 }
431 r = radeon_ring_ib_parse(rdev, parser->ring, parser->const_ib);
432 if (r) {
433 return r;
434 }
435 }
436
Jerome Glisse721604a2012-01-05 22:11:05 -0500437 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 }
448 parser->ib->length_dw = ib_chunk->length_dw;
449 /* Copy the packet into the IB */
450 if (DRM_COPY_FROM_USER(parser->ib->ptr, ib_chunk->user_ptr,
451 ib_chunk->length_dw * 4)) {
452 return -EFAULT;
453 }
454 r = radeon_ring_ib_parse(rdev, parser->ring, parser->ib);
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 }
Christian König93504fc2012-01-05 22:11:06 -0500468 r = radeon_cs_sync_rings(parser);
469 if (r) {
470 DRM_ERROR("Failed to synchronize rings !\n");
471 }
Alex Deucherdfcf5f32012-03-20 17:18:14 -0400472
473 if ((rdev->family >= CHIP_TAHITI) &&
474 (parser->chunk_const_ib_idx != -1)) {
475 parser->const_ib->vm_id = vm->id;
476 /* ib pool is bind at 0 in virtual address space to gpu_addr is the
477 * offset inside the pool bo
478 */
479 parser->const_ib->gpu_addr = parser->const_ib->sa_bo.offset;
480 r = radeon_ib_schedule(rdev, parser->const_ib);
481 if (r)
482 goto out;
483 }
484
Jerome Glisse721604a2012-01-05 22:11:05 -0500485 parser->ib->vm_id = vm->id;
486 /* ib pool is bind at 0 in virtual address space to gpu_addr is the
487 * offset inside the pool bo
488 */
489 parser->ib->gpu_addr = parser->ib->sa_bo.offset;
Alex Deucherdfcf5f32012-03-20 17:18:14 -0400490 parser->ib->is_const_ib = false;
Jerome Glisse721604a2012-01-05 22:11:05 -0500491 r = radeon_ib_schedule(rdev, parser->ib);
492out:
493 if (!r) {
494 if (vm->fence) {
495 radeon_fence_unref(&vm->fence);
496 }
497 vm->fence = radeon_fence_ref(parser->ib->fence);
498 }
499 mutex_unlock(&fpriv->vm.mutex);
500 return r;
501}
502
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200503int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
504{
505 struct radeon_device *rdev = dev->dev_private;
506 struct radeon_cs_parser parser;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200507 int r;
508
Michel Dänzer7a1619b2011-11-10 18:57:26 +0100509 radeon_mutex_lock(&rdev->cs_mutex);
Jerome Glisse6b7746e2012-02-20 17:57:20 -0500510 if (!rdev->accel_working) {
511 radeon_mutex_unlock(&rdev->cs_mutex);
512 return -EBUSY;
513 }
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200514 /* initialize parser */
515 memset(&parser, 0, sizeof(struct radeon_cs_parser));
516 parser.filp = filp;
517 parser.rdev = rdev;
Jerome Glissec8c15ff2010-01-18 13:01:36 +0100518 parser.dev = rdev->dev;
Dave Airlie428c6e32011-06-08 19:58:29 +1000519 parser.family = rdev->family;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200520 r = radeon_cs_parser_init(&parser, data);
521 if (r) {
522 DRM_ERROR("Failed to initialize parser !\n");
523 radeon_cs_parser_fini(&parser, r);
Michel Dänzer7a1619b2011-11-10 18:57:26 +0100524 radeon_mutex_unlock(&rdev->cs_mutex);
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200525 return r;
526 }
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200527 r = radeon_cs_parser_relocs(&parser);
528 if (r) {
Dave Airlie97f23b32010-03-19 10:33:44 +1000529 if (r != -ERESTARTSYS)
530 DRM_ERROR("Failed to parse relocation %d!\n", r);
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200531 radeon_cs_parser_fini(&parser, r);
Michel Dänzer7a1619b2011-11-10 18:57:26 +0100532 radeon_mutex_unlock(&rdev->cs_mutex);
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200533 return r;
534 }
Jerome Glisse721604a2012-01-05 22:11:05 -0500535 r = radeon_cs_ib_chunk(rdev, &parser);
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200536 if (r) {
Jerome Glisse721604a2012-01-05 22:11:05 -0500537 goto out;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200538 }
Jerome Glisse721604a2012-01-05 22:11:05 -0500539 r = radeon_cs_ib_vm_chunk(rdev, &parser);
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200540 if (r) {
Jerome Glisse721604a2012-01-05 22:11:05 -0500541 goto out;
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200542 }
Jerome Glisse721604a2012-01-05 22:11:05 -0500543out:
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200544 radeon_cs_parser_fini(&parser, r);
Michel Dänzer7a1619b2011-11-10 18:57:26 +0100545 radeon_mutex_unlock(&rdev->cs_mutex);
Jerome Glisse771fe6b2009-06-05 14:42:42 +0200546 return r;
547}
Dave Airlie513bcb42009-09-23 16:56:27 +1000548
549int radeon_cs_finish_pages(struct radeon_cs_parser *p)
550{
551 struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx];
552 int i;
553 int size = PAGE_SIZE;
554
555 for (i = ibc->last_copied_page + 1; i <= ibc->last_page_index; i++) {
556 if (i == ibc->last_page_index) {
557 size = (ibc->length_dw * 4) % PAGE_SIZE;
558 if (size == 0)
559 size = PAGE_SIZE;
560 }
561
562 if (DRM_COPY_FROM_USER(p->ib->ptr + (i * (PAGE_SIZE/4)),
563 ibc->user_ptr + (i * PAGE_SIZE),
564 size))
565 return -EFAULT;
566 }
567 return 0;
568}
569
570int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx)
571{
572 int new_page;
Dave Airlie513bcb42009-09-23 16:56:27 +1000573 struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx];
574 int i;
575 int size = PAGE_SIZE;
576
Dave Airliec5e617e2009-09-26 09:03:39 +1000577 for (i = ibc->last_copied_page + 1; i < pg_idx; i++) {
Dave Airlie513bcb42009-09-23 16:56:27 +1000578 if (DRM_COPY_FROM_USER(p->ib->ptr + (i * (PAGE_SIZE/4)),
579 ibc->user_ptr + (i * PAGE_SIZE),
580 PAGE_SIZE)) {
581 p->parser_error = -EFAULT;
582 return 0;
583 }
584 }
585
586 new_page = ibc->kpage_idx[0] < ibc->kpage_idx[1] ? 0 : 1;
587
588 if (pg_idx == ibc->last_page_index) {
589 size = (ibc->length_dw * 4) % PAGE_SIZE;
590 if (size == 0)
591 size = PAGE_SIZE;
592 }
593
594 if (DRM_COPY_FROM_USER(ibc->kpage[new_page],
595 ibc->user_ptr + (pg_idx * PAGE_SIZE),
596 size)) {
597 p->parser_error = -EFAULT;
598 return 0;
599 }
600
601 /* copy to IB here */
602 memcpy((void *)(p->ib->ptr+(pg_idx*(PAGE_SIZE/4))), ibc->kpage[new_page], size);
603
604 ibc->last_copied_page = pg_idx;
605 ibc->kpage_idx[new_page] = pg_idx;
606
607 return new_page;
608}