Commit | Line | Data |
---|---|---|
dff96888 | 1 | // SPDX-License-Identifier: GPL-2.0 OR MIT |
c74c162f TH |
2 | /************************************************************************** |
3 | * | |
dff96888 | 4 | * Copyright 2009-2015 VMware, Inc., Palo Alto, CA., USA |
c74c162f TH |
5 | * |
6 | * Permission is hereby granted, free of charge, to any person obtaining a | |
7 | * copy of this software and associated documentation files (the | |
8 | * "Software"), to deal in the Software without restriction, including | |
9 | * without limitation the rights to use, copy, modify, merge, publish, | |
10 | * distribute, sub license, and/or sell copies of the Software, and to | |
11 | * permit persons to whom the Software is furnished to do so, subject to | |
12 | * the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice (including the | |
15 | * next paragraph) shall be included in all copies or substantial portions | |
16 | * of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL | |
21 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, | |
22 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | |
23 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | |
24 | * USE OR OTHER DEALINGS IN THE SOFTWARE. | |
25 | * | |
26 | **************************************************************************/ | |
27 | ||
008be682 MY |
28 | #include <drm/ttm/ttm_placement.h> |
29 | ||
c74c162f TH |
30 | #include "vmwgfx_drv.h" |
31 | #include "vmwgfx_resource_priv.h" | |
d80efd5c | 32 | #include "vmwgfx_binding.h" |
c74c162f TH |
33 | |
34 | struct vmw_shader { | |
35 | struct vmw_resource res; | |
36 | SVGA3dShaderType type; | |
37 | uint32_t size; | |
d80efd5c TH |
38 | uint8_t num_input_sig; |
39 | uint8_t num_output_sig; | |
c74c162f TH |
40 | }; |
41 | ||
42 | struct vmw_user_shader { | |
43 | struct ttm_base_object base; | |
44 | struct vmw_shader shader; | |
45 | }; | |
46 | ||
d80efd5c TH |
47 | struct vmw_dx_shader { |
48 | struct vmw_resource res; | |
49 | struct vmw_resource *ctx; | |
50 | struct vmw_resource *cotable; | |
51 | u32 id; | |
52 | bool committed; | |
53 | struct list_head cotable_head; | |
54 | }; | |
55 | ||
18e4a466 TH |
56 | static uint64_t vmw_user_shader_size; |
57 | static uint64_t vmw_shader_size; | |
d80efd5c | 58 | static size_t vmw_shader_dx_size; |
d5bde956 | 59 | |
c74c162f TH |
60 | static void vmw_user_shader_free(struct vmw_resource *res); |
61 | static struct vmw_resource * | |
62 | vmw_user_shader_base_to_res(struct ttm_base_object *base); | |
63 | ||
64 | static int vmw_gb_shader_create(struct vmw_resource *res); | |
65 | static int vmw_gb_shader_bind(struct vmw_resource *res, | |
66 | struct ttm_validate_buffer *val_buf); | |
67 | static int vmw_gb_shader_unbind(struct vmw_resource *res, | |
68 | bool readback, | |
69 | struct ttm_validate_buffer *val_buf); | |
70 | static int vmw_gb_shader_destroy(struct vmw_resource *res); | |
71 | ||
d80efd5c TH |
72 | static int vmw_dx_shader_create(struct vmw_resource *res); |
73 | static int vmw_dx_shader_bind(struct vmw_resource *res, | |
74 | struct ttm_validate_buffer *val_buf); | |
75 | static int vmw_dx_shader_unbind(struct vmw_resource *res, | |
76 | bool readback, | |
77 | struct ttm_validate_buffer *val_buf); | |
78 | static void vmw_dx_shader_commit_notify(struct vmw_resource *res, | |
79 | enum vmw_cmdbuf_res_state state); | |
80 | static bool vmw_shader_id_ok(u32 user_key, SVGA3dShaderType shader_type); | |
81 | static u32 vmw_shader_key(u32 user_key, SVGA3dShaderType shader_type); | |
82 | static uint64_t vmw_user_shader_size; | |
83 | ||
c74c162f TH |
84 | static const struct vmw_user_resource_conv user_shader_conv = { |
85 | .object_type = VMW_RES_SHADER, | |
86 | .base_obj_to_res = vmw_user_shader_base_to_res, | |
87 | .res_free = vmw_user_shader_free | |
88 | }; | |
89 | ||
90 | const struct vmw_user_resource_conv *user_shader_converter = | |
91 | &user_shader_conv; | |
92 | ||
93 | ||
94 | static const struct vmw_res_func vmw_gb_shader_func = { | |
95 | .res_type = vmw_res_shader, | |
96 | .needs_backup = true, | |
97 | .may_evict = true, | |
a0a63940 TH |
98 | .prio = 3, |
99 | .dirty_prio = 3, | |
c74c162f TH |
100 | .type_name = "guest backed shaders", |
101 | .backup_placement = &vmw_mob_placement, | |
102 | .create = vmw_gb_shader_create, | |
103 | .destroy = vmw_gb_shader_destroy, | |
104 | .bind = vmw_gb_shader_bind, | |
105 | .unbind = vmw_gb_shader_unbind | |
106 | }; | |
107 | ||
d80efd5c TH |
108 | static const struct vmw_res_func vmw_dx_shader_func = { |
109 | .res_type = vmw_res_shader, | |
110 | .needs_backup = true, | |
a0a63940 TH |
111 | .may_evict = true, |
112 | .prio = 3, | |
113 | .dirty_prio = 3, | |
d80efd5c TH |
114 | .type_name = "dx shaders", |
115 | .backup_placement = &vmw_mob_placement, | |
116 | .create = vmw_dx_shader_create, | |
117 | /* | |
118 | * The destroy callback is only called with a committed resource on | |
119 | * context destroy, in which case we destroy the cotable anyway, | |
120 | * so there's no need to destroy DX shaders separately. | |
121 | */ | |
122 | .destroy = NULL, | |
123 | .bind = vmw_dx_shader_bind, | |
124 | .unbind = vmw_dx_shader_unbind, | |
125 | .commit_notify = vmw_dx_shader_commit_notify, | |
126 | }; | |
127 | ||
c74c162f TH |
128 | /** |
129 | * Shader management: | |
130 | */ | |
131 | ||
132 | static inline struct vmw_shader * | |
133 | vmw_res_to_shader(struct vmw_resource *res) | |
134 | { | |
135 | return container_of(res, struct vmw_shader, res); | |
136 | } | |
137 | ||
d80efd5c TH |
138 | /** |
139 | * vmw_res_to_dx_shader - typecast a struct vmw_resource to a | |
140 | * struct vmw_dx_shader | |
141 | * | |
142 | * @res: Pointer to the struct vmw_resource. | |
143 | */ | |
144 | static inline struct vmw_dx_shader * | |
145 | vmw_res_to_dx_shader(struct vmw_resource *res) | |
146 | { | |
147 | return container_of(res, struct vmw_dx_shader, res); | |
148 | } | |
149 | ||
c74c162f TH |
150 | static void vmw_hw_shader_destroy(struct vmw_resource *res) |
151 | { | |
d80efd5c TH |
152 | if (likely(res->func->destroy)) |
153 | (void) res->func->destroy(res); | |
154 | else | |
155 | res->id = -1; | |
c74c162f TH |
156 | } |
157 | ||
d80efd5c | 158 | |
c74c162f TH |
159 | static int vmw_gb_shader_init(struct vmw_private *dev_priv, |
160 | struct vmw_resource *res, | |
161 | uint32_t size, | |
162 | uint64_t offset, | |
163 | SVGA3dShaderType type, | |
d80efd5c TH |
164 | uint8_t num_input_sig, |
165 | uint8_t num_output_sig, | |
f1d34bfd | 166 | struct vmw_buffer_object *byte_code, |
c74c162f TH |
167 | void (*res_free) (struct vmw_resource *res)) |
168 | { | |
169 | struct vmw_shader *shader = vmw_res_to_shader(res); | |
170 | int ret; | |
171 | ||
d80efd5c TH |
172 | ret = vmw_resource_init(dev_priv, res, true, res_free, |
173 | &vmw_gb_shader_func); | |
c74c162f TH |
174 | |
175 | if (unlikely(ret != 0)) { | |
176 | if (res_free) | |
177 | res_free(res); | |
178 | else | |
179 | kfree(res); | |
180 | return ret; | |
181 | } | |
182 | ||
183 | res->backup_size = size; | |
184 | if (byte_code) { | |
f1d34bfd | 185 | res->backup = vmw_bo_reference(byte_code); |
c74c162f TH |
186 | res->backup_offset = offset; |
187 | } | |
188 | shader->size = size; | |
189 | shader->type = type; | |
d80efd5c TH |
190 | shader->num_input_sig = num_input_sig; |
191 | shader->num_output_sig = num_output_sig; | |
c74c162f | 192 | |
13289241 | 193 | res->hw_destroy = vmw_hw_shader_destroy; |
c74c162f TH |
194 | return 0; |
195 | } | |
196 | ||
d80efd5c TH |
197 | /* |
198 | * GB shader code: | |
199 | */ | |
200 | ||
c74c162f TH |
201 | static int vmw_gb_shader_create(struct vmw_resource *res) |
202 | { | |
203 | struct vmw_private *dev_priv = res->dev_priv; | |
204 | struct vmw_shader *shader = vmw_res_to_shader(res); | |
205 | int ret; | |
206 | struct { | |
207 | SVGA3dCmdHeader header; | |
208 | SVGA3dCmdDefineGBShader body; | |
209 | } *cmd; | |
210 | ||
211 | if (likely(res->id != -1)) | |
212 | return 0; | |
213 | ||
214 | ret = vmw_resource_alloc_id(res); | |
215 | if (unlikely(ret != 0)) { | |
216 | DRM_ERROR("Failed to allocate a shader id.\n"); | |
217 | goto out_no_id; | |
218 | } | |
219 | ||
220 | if (unlikely(res->id >= VMWGFX_NUM_GB_SHADER)) { | |
221 | ret = -EBUSY; | |
222 | goto out_no_fifo; | |
223 | } | |
224 | ||
11c45419 | 225 | cmd = VMW_FIFO_RESERVE(dev_priv, sizeof(*cmd)); |
c74c162f | 226 | if (unlikely(cmd == NULL)) { |
c74c162f TH |
227 | ret = -ENOMEM; |
228 | goto out_no_fifo; | |
229 | } | |
230 | ||
231 | cmd->header.id = SVGA_3D_CMD_DEFINE_GB_SHADER; | |
232 | cmd->header.size = sizeof(cmd->body); | |
233 | cmd->body.shid = res->id; | |
234 | cmd->body.type = shader->type; | |
235 | cmd->body.sizeInBytes = shader->size; | |
236 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
153b3d5b | 237 | vmw_fifo_resource_inc(dev_priv); |
c74c162f TH |
238 | |
239 | return 0; | |
240 | ||
241 | out_no_fifo: | |
242 | vmw_resource_release_id(res); | |
243 | out_no_id: | |
244 | return ret; | |
245 | } | |
246 | ||
247 | static int vmw_gb_shader_bind(struct vmw_resource *res, | |
248 | struct ttm_validate_buffer *val_buf) | |
249 | { | |
250 | struct vmw_private *dev_priv = res->dev_priv; | |
251 | struct { | |
252 | SVGA3dCmdHeader header; | |
253 | SVGA3dCmdBindGBShader body; | |
254 | } *cmd; | |
255 | struct ttm_buffer_object *bo = val_buf->bo; | |
256 | ||
257 | BUG_ON(bo->mem.mem_type != VMW_PL_MOB); | |
258 | ||
11c45419 DR |
259 | cmd = VMW_FIFO_RESERVE(dev_priv, sizeof(*cmd)); |
260 | if (unlikely(cmd == NULL)) | |
c74c162f | 261 | return -ENOMEM; |
c74c162f TH |
262 | |
263 | cmd->header.id = SVGA_3D_CMD_BIND_GB_SHADER; | |
264 | cmd->header.size = sizeof(cmd->body); | |
265 | cmd->body.shid = res->id; | |
266 | cmd->body.mobid = bo->mem.start; | |
b8ccd1e4 | 267 | cmd->body.offsetInBytes = res->backup_offset; |
c74c162f TH |
268 | res->backup_dirty = false; |
269 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
270 | ||
271 | return 0; | |
272 | } | |
273 | ||
274 | static int vmw_gb_shader_unbind(struct vmw_resource *res, | |
275 | bool readback, | |
276 | struct ttm_validate_buffer *val_buf) | |
277 | { | |
278 | struct vmw_private *dev_priv = res->dev_priv; | |
279 | struct { | |
280 | SVGA3dCmdHeader header; | |
281 | SVGA3dCmdBindGBShader body; | |
282 | } *cmd; | |
283 | struct vmw_fence_obj *fence; | |
284 | ||
285 | BUG_ON(res->backup->base.mem.mem_type != VMW_PL_MOB); | |
286 | ||
11c45419 DR |
287 | cmd = VMW_FIFO_RESERVE(dev_priv, sizeof(*cmd)); |
288 | if (unlikely(cmd == NULL)) | |
c74c162f | 289 | return -ENOMEM; |
c74c162f TH |
290 | |
291 | cmd->header.id = SVGA_3D_CMD_BIND_GB_SHADER; | |
292 | cmd->header.size = sizeof(cmd->body); | |
293 | cmd->body.shid = res->id; | |
294 | cmd->body.mobid = SVGA3D_INVALID_ID; | |
295 | cmd->body.offsetInBytes = 0; | |
296 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
297 | ||
298 | /* | |
299 | * Create a fence object and fence the backup buffer. | |
300 | */ | |
301 | ||
302 | (void) vmw_execbuf_fence_commands(NULL, dev_priv, | |
303 | &fence, NULL); | |
304 | ||
e9431ea5 | 305 | vmw_bo_fence_single(val_buf->bo, fence); |
c74c162f TH |
306 | |
307 | if (likely(fence != NULL)) | |
308 | vmw_fence_obj_unreference(&fence); | |
309 | ||
310 | return 0; | |
311 | } | |
312 | ||
313 | static int vmw_gb_shader_destroy(struct vmw_resource *res) | |
314 | { | |
315 | struct vmw_private *dev_priv = res->dev_priv; | |
316 | struct { | |
317 | SVGA3dCmdHeader header; | |
318 | SVGA3dCmdDestroyGBShader body; | |
319 | } *cmd; | |
320 | ||
321 | if (likely(res->id == -1)) | |
322 | return 0; | |
323 | ||
173fb7d4 | 324 | mutex_lock(&dev_priv->binding_mutex); |
d80efd5c | 325 | vmw_binding_res_list_scrub(&res->binding_head); |
173fb7d4 | 326 | |
11c45419 | 327 | cmd = VMW_FIFO_RESERVE(dev_priv, sizeof(*cmd)); |
c74c162f | 328 | if (unlikely(cmd == NULL)) { |
3e894a62 | 329 | mutex_unlock(&dev_priv->binding_mutex); |
c74c162f TH |
330 | return -ENOMEM; |
331 | } | |
332 | ||
333 | cmd->header.id = SVGA_3D_CMD_DESTROY_GB_SHADER; | |
334 | cmd->header.size = sizeof(cmd->body); | |
335 | cmd->body.shid = res->id; | |
336 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
173fb7d4 | 337 | mutex_unlock(&dev_priv->binding_mutex); |
c74c162f | 338 | vmw_resource_release_id(res); |
153b3d5b | 339 | vmw_fifo_resource_dec(dev_priv); |
c74c162f TH |
340 | |
341 | return 0; | |
342 | } | |
343 | ||
d80efd5c TH |
344 | /* |
345 | * DX shader code: | |
346 | */ | |
347 | ||
348 | /** | |
349 | * vmw_dx_shader_commit_notify - Notify that a shader operation has been | |
350 | * committed to hardware from a user-supplied command stream. | |
351 | * | |
352 | * @res: Pointer to the shader resource. | |
353 | * @state: Indicating whether a creation or removal has been committed. | |
354 | * | |
355 | */ | |
356 | static void vmw_dx_shader_commit_notify(struct vmw_resource *res, | |
357 | enum vmw_cmdbuf_res_state state) | |
358 | { | |
359 | struct vmw_dx_shader *shader = vmw_res_to_dx_shader(res); | |
360 | struct vmw_private *dev_priv = res->dev_priv; | |
361 | ||
362 | if (state == VMW_CMDBUF_RES_ADD) { | |
363 | mutex_lock(&dev_priv->binding_mutex); | |
364 | vmw_cotable_add_resource(shader->cotable, | |
365 | &shader->cotable_head); | |
366 | shader->committed = true; | |
367 | res->id = shader->id; | |
368 | mutex_unlock(&dev_priv->binding_mutex); | |
369 | } else { | |
370 | mutex_lock(&dev_priv->binding_mutex); | |
371 | list_del_init(&shader->cotable_head); | |
372 | shader->committed = false; | |
373 | res->id = -1; | |
374 | mutex_unlock(&dev_priv->binding_mutex); | |
375 | } | |
376 | } | |
377 | ||
378 | /** | |
379 | * vmw_dx_shader_unscrub - Have the device reattach a MOB to a DX shader. | |
380 | * | |
381 | * @res: The shader resource | |
382 | * | |
383 | * This function reverts a scrub operation. | |
384 | */ | |
385 | static int vmw_dx_shader_unscrub(struct vmw_resource *res) | |
386 | { | |
387 | struct vmw_dx_shader *shader = vmw_res_to_dx_shader(res); | |
388 | struct vmw_private *dev_priv = res->dev_priv; | |
389 | struct { | |
390 | SVGA3dCmdHeader header; | |
391 | SVGA3dCmdDXBindShader body; | |
392 | } *cmd; | |
393 | ||
394 | if (!list_empty(&shader->cotable_head) || !shader->committed) | |
395 | return 0; | |
396 | ||
11c45419 DR |
397 | cmd = VMW_FIFO_RESERVE_DX(dev_priv, sizeof(*cmd), shader->ctx->id); |
398 | if (unlikely(cmd == NULL)) | |
d80efd5c | 399 | return -ENOMEM; |
d80efd5c TH |
400 | |
401 | cmd->header.id = SVGA_3D_CMD_DX_BIND_SHADER; | |
402 | cmd->header.size = sizeof(cmd->body); | |
403 | cmd->body.cid = shader->ctx->id; | |
404 | cmd->body.shid = shader->id; | |
405 | cmd->body.mobid = res->backup->base.mem.start; | |
406 | cmd->body.offsetInBytes = res->backup_offset; | |
407 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
408 | ||
409 | vmw_cotable_add_resource(shader->cotable, &shader->cotable_head); | |
410 | ||
411 | return 0; | |
412 | } | |
413 | ||
414 | /** | |
415 | * vmw_dx_shader_create - The DX shader create callback | |
416 | * | |
417 | * @res: The DX shader resource | |
418 | * | |
419 | * The create callback is called as part of resource validation and | |
420 | * makes sure that we unscrub the shader if it's previously been scrubbed. | |
421 | */ | |
422 | static int vmw_dx_shader_create(struct vmw_resource *res) | |
423 | { | |
424 | struct vmw_private *dev_priv = res->dev_priv; | |
425 | struct vmw_dx_shader *shader = vmw_res_to_dx_shader(res); | |
426 | int ret = 0; | |
427 | ||
428 | WARN_ON_ONCE(!shader->committed); | |
429 | ||
a0a63940 | 430 | if (vmw_resource_mob_attached(res)) { |
d80efd5c TH |
431 | mutex_lock(&dev_priv->binding_mutex); |
432 | ret = vmw_dx_shader_unscrub(res); | |
433 | mutex_unlock(&dev_priv->binding_mutex); | |
434 | } | |
435 | ||
436 | res->id = shader->id; | |
437 | return ret; | |
438 | } | |
439 | ||
440 | /** | |
441 | * vmw_dx_shader_bind - The DX shader bind callback | |
442 | * | |
443 | * @res: The DX shader resource | |
444 | * @val_buf: Pointer to the validate buffer. | |
445 | * | |
446 | */ | |
447 | static int vmw_dx_shader_bind(struct vmw_resource *res, | |
448 | struct ttm_validate_buffer *val_buf) | |
449 | { | |
450 | struct vmw_private *dev_priv = res->dev_priv; | |
451 | struct ttm_buffer_object *bo = val_buf->bo; | |
452 | ||
453 | BUG_ON(bo->mem.mem_type != VMW_PL_MOB); | |
454 | mutex_lock(&dev_priv->binding_mutex); | |
455 | vmw_dx_shader_unscrub(res); | |
456 | mutex_unlock(&dev_priv->binding_mutex); | |
457 | ||
458 | return 0; | |
459 | } | |
460 | ||
461 | /** | |
462 | * vmw_dx_shader_scrub - Have the device unbind a MOB from a DX shader. | |
463 | * | |
464 | * @res: The shader resource | |
465 | * | |
466 | * This function unbinds a MOB from the DX shader without requiring the | |
467 | * MOB dma_buffer to be reserved. The driver still considers the MOB bound. | |
468 | * However, once the driver eventually decides to unbind the MOB, it doesn't | |
469 | * need to access the context. | |
470 | */ | |
471 | static int vmw_dx_shader_scrub(struct vmw_resource *res) | |
472 | { | |
473 | struct vmw_dx_shader *shader = vmw_res_to_dx_shader(res); | |
474 | struct vmw_private *dev_priv = res->dev_priv; | |
475 | struct { | |
476 | SVGA3dCmdHeader header; | |
477 | SVGA3dCmdDXBindShader body; | |
478 | } *cmd; | |
479 | ||
480 | if (list_empty(&shader->cotable_head)) | |
481 | return 0; | |
482 | ||
483 | WARN_ON_ONCE(!shader->committed); | |
11c45419 DR |
484 | cmd = VMW_FIFO_RESERVE(dev_priv, sizeof(*cmd)); |
485 | if (unlikely(cmd == NULL)) | |
d80efd5c | 486 | return -ENOMEM; |
d80efd5c TH |
487 | |
488 | cmd->header.id = SVGA_3D_CMD_DX_BIND_SHADER; | |
489 | cmd->header.size = sizeof(cmd->body); | |
490 | cmd->body.cid = shader->ctx->id; | |
491 | cmd->body.shid = res->id; | |
492 | cmd->body.mobid = SVGA3D_INVALID_ID; | |
493 | cmd->body.offsetInBytes = 0; | |
494 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
495 | res->id = -1; | |
496 | list_del_init(&shader->cotable_head); | |
497 | ||
498 | return 0; | |
499 | } | |
500 | ||
501 | /** | |
502 | * vmw_dx_shader_unbind - The dx shader unbind callback. | |
503 | * | |
504 | * @res: The shader resource | |
505 | * @readback: Whether this is a readback unbind. Currently unused. | |
506 | * @val_buf: MOB buffer information. | |
507 | */ | |
508 | static int vmw_dx_shader_unbind(struct vmw_resource *res, | |
509 | bool readback, | |
510 | struct ttm_validate_buffer *val_buf) | |
511 | { | |
512 | struct vmw_private *dev_priv = res->dev_priv; | |
513 | struct vmw_fence_obj *fence; | |
514 | int ret; | |
515 | ||
516 | BUG_ON(res->backup->base.mem.mem_type != VMW_PL_MOB); | |
517 | ||
518 | mutex_lock(&dev_priv->binding_mutex); | |
519 | ret = vmw_dx_shader_scrub(res); | |
520 | mutex_unlock(&dev_priv->binding_mutex); | |
521 | ||
522 | if (ret) | |
523 | return ret; | |
524 | ||
525 | (void) vmw_execbuf_fence_commands(NULL, dev_priv, | |
526 | &fence, NULL); | |
e9431ea5 | 527 | vmw_bo_fence_single(val_buf->bo, fence); |
d80efd5c TH |
528 | |
529 | if (likely(fence != NULL)) | |
530 | vmw_fence_obj_unreference(&fence); | |
531 | ||
532 | return 0; | |
533 | } | |
534 | ||
535 | /** | |
536 | * vmw_dx_shader_cotable_list_scrub - The cotable unbind_func callback for | |
537 | * DX shaders. | |
538 | * | |
539 | * @dev_priv: Pointer to device private structure. | |
540 | * @list: The list of cotable resources. | |
541 | * @readback: Whether the call was part of a readback unbind. | |
542 | * | |
543 | * Scrubs all shader MOBs so that any subsequent shader unbind or shader | |
544 | * destroy operation won't need to swap in the context. | |
545 | */ | |
546 | void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, | |
547 | struct list_head *list, | |
548 | bool readback) | |
549 | { | |
550 | struct vmw_dx_shader *entry, *next; | |
551 | ||
d76ce03e | 552 | lockdep_assert_held_once(&dev_priv->binding_mutex); |
d80efd5c TH |
553 | |
554 | list_for_each_entry_safe(entry, next, list, cotable_head) { | |
555 | WARN_ON(vmw_dx_shader_scrub(&entry->res)); | |
556 | if (!readback) | |
557 | entry->committed = false; | |
558 | } | |
559 | } | |
560 | ||
561 | /** | |
562 | * vmw_dx_shader_res_free - The DX shader free callback | |
563 | * | |
564 | * @res: The shader resource | |
565 | * | |
566 | * Frees the DX shader resource and updates memory accounting. | |
567 | */ | |
568 | static void vmw_dx_shader_res_free(struct vmw_resource *res) | |
569 | { | |
570 | struct vmw_private *dev_priv = res->dev_priv; | |
571 | struct vmw_dx_shader *shader = vmw_res_to_dx_shader(res); | |
572 | ||
573 | vmw_resource_unreference(&shader->cotable); | |
574 | kfree(shader); | |
575 | ttm_mem_global_free(vmw_mem_glob(dev_priv), vmw_shader_dx_size); | |
576 | } | |
577 | ||
578 | /** | |
579 | * vmw_dx_shader_add - Add a shader resource as a command buffer managed | |
580 | * resource. | |
581 | * | |
582 | * @man: The command buffer resource manager. | |
583 | * @ctx: Pointer to the context resource. | |
584 | * @user_key: The id used for this shader. | |
585 | * @shader_type: The shader type. | |
586 | * @list: The list of staged command buffer managed resources. | |
587 | */ | |
588 | int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, | |
589 | struct vmw_resource *ctx, | |
590 | u32 user_key, | |
591 | SVGA3dShaderType shader_type, | |
592 | struct list_head *list) | |
593 | { | |
594 | struct vmw_dx_shader *shader; | |
595 | struct vmw_resource *res; | |
596 | struct vmw_private *dev_priv = ctx->dev_priv; | |
279c01f6 RH |
597 | struct ttm_operation_ctx ttm_opt_ctx = { |
598 | .interruptible = true, | |
599 | .no_wait_gpu = false | |
600 | }; | |
d80efd5c TH |
601 | int ret; |
602 | ||
603 | if (!vmw_shader_dx_size) | |
604 | vmw_shader_dx_size = ttm_round_pot(sizeof(*shader)); | |
605 | ||
606 | if (!vmw_shader_id_ok(user_key, shader_type)) | |
607 | return -EINVAL; | |
608 | ||
609 | ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), vmw_shader_dx_size, | |
279c01f6 | 610 | &ttm_opt_ctx); |
d80efd5c TH |
611 | if (ret) { |
612 | if (ret != -ERESTARTSYS) | |
613 | DRM_ERROR("Out of graphics memory for shader " | |
614 | "creation.\n"); | |
615 | return ret; | |
616 | } | |
617 | ||
618 | shader = kmalloc(sizeof(*shader), GFP_KERNEL); | |
619 | if (!shader) { | |
620 | ttm_mem_global_free(vmw_mem_glob(dev_priv), vmw_shader_dx_size); | |
621 | return -ENOMEM; | |
622 | } | |
623 | ||
624 | res = &shader->res; | |
625 | shader->ctx = ctx; | |
1b9a01d6 TH |
626 | shader->cotable = vmw_resource_reference |
627 | (vmw_context_cotable(ctx, SVGA_COTABLE_DXSHADER)); | |
d80efd5c TH |
628 | shader->id = user_key; |
629 | shader->committed = false; | |
630 | INIT_LIST_HEAD(&shader->cotable_head); | |
631 | ret = vmw_resource_init(dev_priv, res, true, | |
632 | vmw_dx_shader_res_free, &vmw_dx_shader_func); | |
633 | if (ret) | |
634 | goto out_resource_init; | |
635 | ||
636 | /* | |
637 | * The user_key name-space is not per shader type for DX shaders, | |
638 | * so when hashing, use a single zero shader type. | |
639 | */ | |
640 | ret = vmw_cmdbuf_res_add(man, vmw_cmdbuf_res_shader, | |
641 | vmw_shader_key(user_key, 0), | |
642 | res, list); | |
643 | if (ret) | |
644 | goto out_resource_init; | |
645 | ||
646 | res->id = shader->id; | |
13289241 | 647 | res->hw_destroy = vmw_hw_shader_destroy; |
d80efd5c TH |
648 | |
649 | out_resource_init: | |
650 | vmw_resource_unreference(&res); | |
651 | ||
652 | return ret; | |
653 | } | |
654 | ||
655 | ||
656 | ||
c74c162f TH |
657 | /** |
658 | * User-space shader management: | |
659 | */ | |
660 | ||
661 | static struct vmw_resource * | |
662 | vmw_user_shader_base_to_res(struct ttm_base_object *base) | |
663 | { | |
664 | return &(container_of(base, struct vmw_user_shader, base)-> | |
665 | shader.res); | |
666 | } | |
667 | ||
668 | static void vmw_user_shader_free(struct vmw_resource *res) | |
669 | { | |
670 | struct vmw_user_shader *ushader = | |
671 | container_of(res, struct vmw_user_shader, shader.res); | |
672 | struct vmw_private *dev_priv = res->dev_priv; | |
673 | ||
674 | ttm_base_object_kfree(ushader, base); | |
675 | ttm_mem_global_free(vmw_mem_glob(dev_priv), | |
676 | vmw_user_shader_size); | |
677 | } | |
678 | ||
18e4a466 TH |
679 | static void vmw_shader_free(struct vmw_resource *res) |
680 | { | |
681 | struct vmw_shader *shader = vmw_res_to_shader(res); | |
682 | struct vmw_private *dev_priv = res->dev_priv; | |
683 | ||
684 | kfree(shader); | |
685 | ttm_mem_global_free(vmw_mem_glob(dev_priv), | |
686 | vmw_shader_size); | |
687 | } | |
688 | ||
c74c162f TH |
689 | /** |
690 | * This function is called when user space has no more references on the | |
691 | * base object. It releases the base-object's reference on the resource object. | |
692 | */ | |
693 | ||
694 | static void vmw_user_shader_base_release(struct ttm_base_object **p_base) | |
695 | { | |
696 | struct ttm_base_object *base = *p_base; | |
697 | struct vmw_resource *res = vmw_user_shader_base_to_res(base); | |
698 | ||
699 | *p_base = NULL; | |
700 | vmw_resource_unreference(&res); | |
701 | } | |
702 | ||
703 | int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, | |
704 | struct drm_file *file_priv) | |
705 | { | |
706 | struct drm_vmw_shader_arg *arg = (struct drm_vmw_shader_arg *)data; | |
707 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; | |
708 | ||
709 | return ttm_ref_object_base_unref(tfile, arg->handle, | |
710 | TTM_REF_USAGE); | |
711 | } | |
712 | ||
18e4a466 | 713 | static int vmw_user_shader_alloc(struct vmw_private *dev_priv, |
f1d34bfd | 714 | struct vmw_buffer_object *buffer, |
18e4a466 TH |
715 | size_t shader_size, |
716 | size_t offset, | |
717 | SVGA3dShaderType shader_type, | |
d80efd5c TH |
718 | uint8_t num_input_sig, |
719 | uint8_t num_output_sig, | |
18e4a466 TH |
720 | struct ttm_object_file *tfile, |
721 | u32 *handle) | |
d5bde956 TH |
722 | { |
723 | struct vmw_user_shader *ushader; | |
724 | struct vmw_resource *res, *tmp; | |
279c01f6 RH |
725 | struct ttm_operation_ctx ctx = { |
726 | .interruptible = true, | |
727 | .no_wait_gpu = false | |
728 | }; | |
d5bde956 TH |
729 | int ret; |
730 | ||
d5bde956 TH |
731 | if (unlikely(vmw_user_shader_size == 0)) |
732 | vmw_user_shader_size = | |
c7eae626 TH |
733 | ttm_round_pot(sizeof(struct vmw_user_shader)) + |
734 | VMW_IDA_ACC_SIZE + TTM_OBJ_EXTRA_SIZE; | |
d5bde956 TH |
735 | |
736 | ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), | |
737 | vmw_user_shader_size, | |
279c01f6 | 738 | &ctx); |
d5bde956 TH |
739 | if (unlikely(ret != 0)) { |
740 | if (ret != -ERESTARTSYS) | |
741 | DRM_ERROR("Out of graphics memory for shader " | |
742 | "creation.\n"); | |
743 | goto out; | |
744 | } | |
745 | ||
746 | ushader = kzalloc(sizeof(*ushader), GFP_KERNEL); | |
1a4adb05 | 747 | if (unlikely(!ushader)) { |
d5bde956 TH |
748 | ttm_mem_global_free(vmw_mem_glob(dev_priv), |
749 | vmw_user_shader_size); | |
750 | ret = -ENOMEM; | |
751 | goto out; | |
752 | } | |
753 | ||
754 | res = &ushader->shader.res; | |
755 | ushader->base.shareable = false; | |
756 | ushader->base.tfile = NULL; | |
757 | ||
758 | /* | |
759 | * From here on, the destructor takes over resource freeing. | |
760 | */ | |
761 | ||
762 | ret = vmw_gb_shader_init(dev_priv, res, shader_size, | |
d80efd5c TH |
763 | offset, shader_type, num_input_sig, |
764 | num_output_sig, buffer, | |
d5bde956 TH |
765 | vmw_user_shader_free); |
766 | if (unlikely(ret != 0)) | |
767 | goto out; | |
768 | ||
769 | tmp = vmw_resource_reference(res); | |
770 | ret = ttm_base_object_init(tfile, &ushader->base, false, | |
771 | VMW_RES_SHADER, | |
772 | &vmw_user_shader_base_release, NULL); | |
773 | ||
774 | if (unlikely(ret != 0)) { | |
775 | vmw_resource_unreference(&tmp); | |
776 | goto out_err; | |
777 | } | |
778 | ||
779 | if (handle) | |
c7eae626 | 780 | *handle = ushader->base.handle; |
d5bde956 TH |
781 | out_err: |
782 | vmw_resource_unreference(&res); | |
783 | out: | |
784 | return ret; | |
785 | } | |
786 | ||
787 | ||
b9eb1a61 | 788 | static struct vmw_resource *vmw_shader_alloc(struct vmw_private *dev_priv, |
f1d34bfd | 789 | struct vmw_buffer_object *buffer, |
b9eb1a61 TH |
790 | size_t shader_size, |
791 | size_t offset, | |
792 | SVGA3dShaderType shader_type) | |
18e4a466 TH |
793 | { |
794 | struct vmw_shader *shader; | |
795 | struct vmw_resource *res; | |
279c01f6 RH |
796 | struct ttm_operation_ctx ctx = { |
797 | .interruptible = true, | |
798 | .no_wait_gpu = false | |
799 | }; | |
18e4a466 TH |
800 | int ret; |
801 | ||
18e4a466 TH |
802 | if (unlikely(vmw_shader_size == 0)) |
803 | vmw_shader_size = | |
c7eae626 TH |
804 | ttm_round_pot(sizeof(struct vmw_shader)) + |
805 | VMW_IDA_ACC_SIZE; | |
18e4a466 TH |
806 | |
807 | ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), | |
808 | vmw_shader_size, | |
279c01f6 | 809 | &ctx); |
18e4a466 TH |
810 | if (unlikely(ret != 0)) { |
811 | if (ret != -ERESTARTSYS) | |
812 | DRM_ERROR("Out of graphics memory for shader " | |
813 | "creation.\n"); | |
814 | goto out_err; | |
815 | } | |
816 | ||
817 | shader = kzalloc(sizeof(*shader), GFP_KERNEL); | |
1a4adb05 | 818 | if (unlikely(!shader)) { |
18e4a466 TH |
819 | ttm_mem_global_free(vmw_mem_glob(dev_priv), |
820 | vmw_shader_size); | |
821 | ret = -ENOMEM; | |
822 | goto out_err; | |
823 | } | |
824 | ||
825 | res = &shader->res; | |
826 | ||
827 | /* | |
828 | * From here on, the destructor takes over resource freeing. | |
829 | */ | |
830 | ret = vmw_gb_shader_init(dev_priv, res, shader_size, | |
d80efd5c | 831 | offset, shader_type, 0, 0, buffer, |
18e4a466 TH |
832 | vmw_shader_free); |
833 | ||
834 | out_err: | |
835 | return ret ? ERR_PTR(ret) : res; | |
836 | } | |
837 | ||
838 | ||
d80efd5c TH |
839 | static int vmw_shader_define(struct drm_device *dev, struct drm_file *file_priv, |
840 | enum drm_vmw_shader_type shader_type_drm, | |
841 | u32 buffer_handle, size_t size, size_t offset, | |
842 | uint8_t num_input_sig, uint8_t num_output_sig, | |
843 | uint32_t *shader_handle) | |
c74c162f TH |
844 | { |
845 | struct vmw_private *dev_priv = vmw_priv(dev); | |
c74c162f | 846 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; |
f1d34bfd | 847 | struct vmw_buffer_object *buffer = NULL; |
c74c162f TH |
848 | SVGA3dShaderType shader_type; |
849 | int ret; | |
850 | ||
d80efd5c | 851 | if (buffer_handle != SVGA3D_INVALID_ID) { |
f1d34bfd | 852 | ret = vmw_user_bo_lookup(tfile, buffer_handle, |
54c12bc3 | 853 | &buffer, NULL); |
c74c162f | 854 | if (unlikely(ret != 0)) { |
5724f899 | 855 | VMW_DEBUG_USER("Couldn't find buffer for shader creation.\n"); |
c74c162f TH |
856 | return ret; |
857 | } | |
858 | ||
859 | if ((u64)buffer->base.num_pages * PAGE_SIZE < | |
d80efd5c | 860 | (u64)size + (u64)offset) { |
5724f899 | 861 | VMW_DEBUG_USER("Illegal buffer- or shader size.\n"); |
c74c162f TH |
862 | ret = -EINVAL; |
863 | goto out_bad_arg; | |
864 | } | |
865 | } | |
866 | ||
d80efd5c | 867 | switch (shader_type_drm) { |
c74c162f TH |
868 | case drm_vmw_shader_type_vs: |
869 | shader_type = SVGA3D_SHADERTYPE_VS; | |
870 | break; | |
871 | case drm_vmw_shader_type_ps: | |
872 | shader_type = SVGA3D_SHADERTYPE_PS; | |
873 | break; | |
c74c162f | 874 | default: |
5724f899 | 875 | VMW_DEBUG_USER("Illegal shader type.\n"); |
c74c162f TH |
876 | ret = -EINVAL; |
877 | goto out_bad_arg; | |
878 | } | |
879 | ||
294adf7d | 880 | ret = ttm_read_lock(&dev_priv->reservation_sem, true); |
d5bde956 TH |
881 | if (unlikely(ret != 0)) |
882 | goto out_bad_arg; | |
c74c162f | 883 | |
d80efd5c TH |
884 | ret = vmw_user_shader_alloc(dev_priv, buffer, size, offset, |
885 | shader_type, num_input_sig, | |
886 | num_output_sig, tfile, shader_handle); | |
c74c162f | 887 | |
294adf7d | 888 | ttm_read_unlock(&dev_priv->reservation_sem); |
d5bde956 | 889 | out_bad_arg: |
f1d34bfd | 890 | vmw_bo_unreference(&buffer); |
d5bde956 TH |
891 | return ret; |
892 | } | |
893 | ||
894 | /** | |
d80efd5c | 895 | * vmw_shader_id_ok - Check whether a compat shader user key and |
18e4a466 | 896 | * shader type are within valid bounds. |
d5bde956 | 897 | * |
18e4a466 TH |
898 | * @user_key: User space id of the shader. |
899 | * @shader_type: Shader type. | |
d5bde956 | 900 | * |
18e4a466 | 901 | * Returns true if valid false if not. |
d5bde956 | 902 | */ |
d80efd5c | 903 | static bool vmw_shader_id_ok(u32 user_key, SVGA3dShaderType shader_type) |
d5bde956 | 904 | { |
18e4a466 | 905 | return user_key <= ((1 << 20) - 1) && (unsigned) shader_type < 16; |
d5bde956 | 906 | } |
c74c162f | 907 | |
d5bde956 | 908 | /** |
d80efd5c | 909 | * vmw_shader_key - Compute a hash key suitable for a compat shader. |
d5bde956 | 910 | * |
18e4a466 TH |
911 | * @user_key: User space id of the shader. |
912 | * @shader_type: Shader type. | |
d5bde956 | 913 | * |
18e4a466 TH |
914 | * Returns a hash key suitable for a command buffer managed resource |
915 | * manager hash table. | |
d5bde956 | 916 | */ |
d80efd5c | 917 | static u32 vmw_shader_key(u32 user_key, SVGA3dShaderType shader_type) |
d5bde956 | 918 | { |
18e4a466 | 919 | return user_key | (shader_type << 20); |
d5bde956 | 920 | } |
c74c162f | 921 | |
d5bde956 | 922 | /** |
d80efd5c | 923 | * vmw_shader_remove - Stage a compat shader for removal. |
d5bde956 | 924 | * |
18e4a466 | 925 | * @man: Pointer to the compat shader manager identifying the shader namespace. |
d5bde956 TH |
926 | * @user_key: The key that is used to identify the shader. The key is |
927 | * unique to the shader type. | |
928 | * @shader_type: Shader type. | |
18e4a466 | 929 | * @list: Caller's list of staged command buffer resource actions. |
d5bde956 | 930 | */ |
d80efd5c TH |
931 | int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, |
932 | u32 user_key, SVGA3dShaderType shader_type, | |
933 | struct list_head *list) | |
d5bde956 | 934 | { |
d80efd5c TH |
935 | struct vmw_resource *dummy; |
936 | ||
937 | if (!vmw_shader_id_ok(user_key, shader_type)) | |
d5bde956 | 938 | return -EINVAL; |
c74c162f | 939 | |
d80efd5c TH |
940 | return vmw_cmdbuf_res_remove(man, vmw_cmdbuf_res_shader, |
941 | vmw_shader_key(user_key, shader_type), | |
942 | list, &dummy); | |
d5bde956 TH |
943 | } |
944 | ||
945 | /** | |
18e4a466 TH |
946 | * vmw_compat_shader_add - Create a compat shader and stage it for addition |
947 | * as a command buffer managed resource. | |
d5bde956 | 948 | * |
18e4a466 | 949 | * @man: Pointer to the compat shader manager identifying the shader namespace. |
d5bde956 TH |
950 | * @user_key: The key that is used to identify the shader. The key is |
951 | * unique to the shader type. | |
952 | * @bytecode: Pointer to the bytecode of the shader. | |
953 | * @shader_type: Shader type. | |
954 | * @tfile: Pointer to a struct ttm_object_file that the guest-backed shader is | |
955 | * to be created with. | |
18e4a466 | 956 | * @list: Caller's list of staged command buffer resource actions. |
d5bde956 | 957 | * |
d5bde956 | 958 | */ |
18e4a466 TH |
959 | int vmw_compat_shader_add(struct vmw_private *dev_priv, |
960 | struct vmw_cmdbuf_res_manager *man, | |
d5bde956 TH |
961 | u32 user_key, const void *bytecode, |
962 | SVGA3dShaderType shader_type, | |
963 | size_t size, | |
d5bde956 TH |
964 | struct list_head *list) |
965 | { | |
19be5570 | 966 | struct ttm_operation_ctx ctx = { false, true }; |
f1d34bfd | 967 | struct vmw_buffer_object *buf; |
d5bde956 TH |
968 | struct ttm_bo_kmap_obj map; |
969 | bool is_iomem; | |
d5bde956 | 970 | int ret; |
18e4a466 | 971 | struct vmw_resource *res; |
d5bde956 | 972 | |
d80efd5c | 973 | if (!vmw_shader_id_ok(user_key, shader_type)) |
d5bde956 TH |
974 | return -EINVAL; |
975 | ||
976 | /* Allocate and pin a DMA buffer */ | |
977 | buf = kzalloc(sizeof(*buf), GFP_KERNEL); | |
1a4adb05 | 978 | if (unlikely(!buf)) |
d5bde956 TH |
979 | return -ENOMEM; |
980 | ||
fbe86ca5 CK |
981 | ret = vmw_bo_init(dev_priv, buf, size, &vmw_sys_placement, |
982 | true, true, vmw_bo_bo_free); | |
c74c162f | 983 | if (unlikely(ret != 0)) |
d5bde956 | 984 | goto out; |
c74c162f | 985 | |
dfd5e50e | 986 | ret = ttm_bo_reserve(&buf->base, false, true, NULL); |
d5bde956 TH |
987 | if (unlikely(ret != 0)) |
988 | goto no_reserve; | |
c74c162f | 989 | |
d5bde956 TH |
990 | /* Map and copy shader bytecode. */ |
991 | ret = ttm_bo_kmap(&buf->base, 0, PAGE_ALIGN(size) >> PAGE_SHIFT, | |
992 | &map); | |
c74c162f | 993 | if (unlikely(ret != 0)) { |
d5bde956 TH |
994 | ttm_bo_unreserve(&buf->base); |
995 | goto no_reserve; | |
c74c162f TH |
996 | } |
997 | ||
d5bde956 TH |
998 | memcpy(ttm_kmap_obj_virtual(&map, &is_iomem), bytecode, size); |
999 | WARN_ON(is_iomem); | |
1000 | ||
1001 | ttm_bo_kunmap(&map); | |
19be5570 | 1002 | ret = ttm_bo_validate(&buf->base, &vmw_sys_placement, &ctx); |
d5bde956 TH |
1003 | WARN_ON(ret != 0); |
1004 | ttm_bo_unreserve(&buf->base); | |
1005 | ||
18e4a466 | 1006 | res = vmw_shader_alloc(dev_priv, buf, size, 0, shader_type); |
d5bde956 TH |
1007 | if (unlikely(ret != 0)) |
1008 | goto no_reserve; | |
d5bde956 | 1009 | |
d80efd5c TH |
1010 | ret = vmw_cmdbuf_res_add(man, vmw_cmdbuf_res_shader, |
1011 | vmw_shader_key(user_key, shader_type), | |
18e4a466 TH |
1012 | res, list); |
1013 | vmw_resource_unreference(&res); | |
d5bde956 | 1014 | no_reserve: |
f1d34bfd | 1015 | vmw_bo_unreference(&buf); |
d5bde956 | 1016 | out: |
c74c162f | 1017 | return ret; |
d5bde956 TH |
1018 | } |
1019 | ||
1020 | /** | |
d80efd5c | 1021 | * vmw_shader_lookup - Look up a compat shader |
d5bde956 | 1022 | * |
18e4a466 TH |
1023 | * @man: Pointer to the command buffer managed resource manager identifying |
1024 | * the shader namespace. | |
1025 | * @user_key: The user space id of the shader. | |
1026 | * @shader_type: The shader type. | |
d5bde956 | 1027 | * |
18e4a466 TH |
1028 | * Returns a refcounted pointer to a struct vmw_resource if the shader was |
1029 | * found. An error pointer otherwise. | |
d5bde956 | 1030 | */ |
18e4a466 | 1031 | struct vmw_resource * |
d80efd5c TH |
1032 | vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, |
1033 | u32 user_key, | |
1034 | SVGA3dShaderType shader_type) | |
d5bde956 | 1035 | { |
d80efd5c | 1036 | if (!vmw_shader_id_ok(user_key, shader_type)) |
18e4a466 | 1037 | return ERR_PTR(-EINVAL); |
c74c162f | 1038 | |
d80efd5c TH |
1039 | return vmw_cmdbuf_res_lookup(man, vmw_cmdbuf_res_shader, |
1040 | vmw_shader_key(user_key, shader_type)); | |
1041 | } | |
1042 | ||
1043 | int vmw_shader_define_ioctl(struct drm_device *dev, void *data, | |
1044 | struct drm_file *file_priv) | |
1045 | { | |
1046 | struct drm_vmw_shader_create_arg *arg = | |
1047 | (struct drm_vmw_shader_create_arg *)data; | |
1048 | ||
1049 | return vmw_shader_define(dev, file_priv, arg->shader_type, | |
1050 | arg->buffer_handle, | |
1051 | arg->size, arg->offset, | |
1052 | 0, 0, | |
1053 | &arg->shader_handle); | |
c74c162f | 1054 | } |