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dff96888 | 1 | // SPDX-License-Identifier: GPL-2.0 OR MIT |
543831cf TH |
2 | /************************************************************************** |
3 | * | |
dff96888 | 4 | * Copyright 2009-2015 VMware, Inc., Palo Alto, CA., USA |
543831cf 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 | ||
543831cf TH |
30 | #include "vmwgfx_drv.h" |
31 | #include "vmwgfx_resource_priv.h" | |
d80efd5c TH |
32 | #include "vmwgfx_so.h" |
33 | #include "vmwgfx_binding.h" | |
8ce75f8a | 34 | #include "device_include/svga3d_surfacedefs.h" |
543831cf | 35 | |
14b1c33e DR |
36 | #define SVGA3D_FLAGS_64(upper32, lower32) (((uint64_t)upper32 << 32) | lower32) |
37 | #define SVGA3D_FLAGS_UPPER_32(svga3d_flags) (svga3d_flags >> 32) | |
38 | #define SVGA3D_FLAGS_LOWER_32(svga3d_flags) \ | |
39 | (svga3d_flags & ((uint64_t)U32_MAX)) | |
d80efd5c | 40 | |
543831cf TH |
41 | /** |
42 | * struct vmw_user_surface - User-space visible surface resource | |
43 | * | |
44 | * @base: The TTM base object handling user-space visibility. | |
45 | * @srf: The surface metadata. | |
46 | * @size: TTM accounting size for the surface. | |
233826a7 | 47 | * @master: master of the creating client. Used for security check. |
543831cf TH |
48 | */ |
49 | struct vmw_user_surface { | |
79e5f810 | 50 | struct ttm_prime_object prime; |
543831cf TH |
51 | struct vmw_surface srf; |
52 | uint32_t size; | |
6d10aab8 | 53 | struct drm_master *master; |
54c12bc3 | 54 | struct ttm_base_object *backup_base; |
543831cf TH |
55 | }; |
56 | ||
57 | /** | |
58 | * struct vmw_surface_offset - Backing store mip level offset info | |
59 | * | |
60 | * @face: Surface face. | |
61 | * @mip: Mip level. | |
62 | * @bo_offset: Offset into backing store of this mip level. | |
63 | * | |
64 | */ | |
65 | struct vmw_surface_offset { | |
66 | uint32_t face; | |
67 | uint32_t mip; | |
68 | uint32_t bo_offset; | |
69 | }; | |
70 | ||
9ca7d19f TH |
71 | /** |
72 | * vmw_surface_dirty - Surface dirty-tracker | |
73 | * @cache: Cached layout information of the surface. | |
74 | * @size: Accounting size for the struct vmw_surface_dirty. | |
75 | * @num_subres: Number of subresources. | |
76 | * @boxes: Array of SVGA3dBoxes indicating dirty regions. One per subresource. | |
77 | */ | |
78 | struct vmw_surface_dirty { | |
79 | struct svga3dsurface_cache cache; | |
80 | size_t size; | |
81 | u32 num_subres; | |
6b656755 | 82 | SVGA3dBox boxes[]; |
9ca7d19f TH |
83 | }; |
84 | ||
543831cf TH |
85 | static void vmw_user_surface_free(struct vmw_resource *res); |
86 | static struct vmw_resource * | |
87 | vmw_user_surface_base_to_res(struct ttm_base_object *base); | |
88 | static int vmw_legacy_srf_bind(struct vmw_resource *res, | |
89 | struct ttm_validate_buffer *val_buf); | |
90 | static int vmw_legacy_srf_unbind(struct vmw_resource *res, | |
91 | bool readback, | |
92 | struct ttm_validate_buffer *val_buf); | |
93 | static int vmw_legacy_srf_create(struct vmw_resource *res); | |
94 | static int vmw_legacy_srf_destroy(struct vmw_resource *res); | |
a97e2192 TH |
95 | static int vmw_gb_surface_create(struct vmw_resource *res); |
96 | static int vmw_gb_surface_bind(struct vmw_resource *res, | |
97 | struct ttm_validate_buffer *val_buf); | |
98 | static int vmw_gb_surface_unbind(struct vmw_resource *res, | |
99 | bool readback, | |
100 | struct ttm_validate_buffer *val_buf); | |
101 | static int vmw_gb_surface_destroy(struct vmw_resource *res); | |
14b1c33e DR |
102 | static int |
103 | vmw_gb_surface_define_internal(struct drm_device *dev, | |
104 | struct drm_vmw_gb_surface_create_ext_req *req, | |
105 | struct drm_vmw_gb_surface_create_rep *rep, | |
106 | struct drm_file *file_priv); | |
107 | static int | |
108 | vmw_gb_surface_reference_internal(struct drm_device *dev, | |
109 | struct drm_vmw_surface_arg *req, | |
110 | struct drm_vmw_gb_surface_ref_ext_rep *rep, | |
111 | struct drm_file *file_priv); | |
543831cf | 112 | |
9ca7d19f TH |
113 | static void vmw_surface_dirty_free(struct vmw_resource *res); |
114 | static int vmw_surface_dirty_alloc(struct vmw_resource *res); | |
115 | static int vmw_surface_dirty_sync(struct vmw_resource *res); | |
116 | static void vmw_surface_dirty_range_add(struct vmw_resource *res, size_t start, | |
117 | size_t end); | |
118 | static int vmw_surface_clean(struct vmw_resource *res); | |
119 | ||
543831cf TH |
120 | static const struct vmw_user_resource_conv user_surface_conv = { |
121 | .object_type = VMW_RES_SURFACE, | |
122 | .base_obj_to_res = vmw_user_surface_base_to_res, | |
123 | .res_free = vmw_user_surface_free | |
124 | }; | |
125 | ||
126 | const struct vmw_user_resource_conv *user_surface_converter = | |
127 | &user_surface_conv; | |
128 | ||
129 | ||
130 | static uint64_t vmw_user_surface_size; | |
131 | ||
132 | static const struct vmw_res_func vmw_legacy_surface_func = { | |
133 | .res_type = vmw_res_surface, | |
134 | .needs_backup = false, | |
135 | .may_evict = true, | |
a0a63940 TH |
136 | .prio = 1, |
137 | .dirty_prio = 1, | |
543831cf TH |
138 | .type_name = "legacy surfaces", |
139 | .backup_placement = &vmw_srf_placement, | |
140 | .create = &vmw_legacy_srf_create, | |
141 | .destroy = &vmw_legacy_srf_destroy, | |
142 | .bind = &vmw_legacy_srf_bind, | |
143 | .unbind = &vmw_legacy_srf_unbind | |
144 | }; | |
145 | ||
a97e2192 TH |
146 | static const struct vmw_res_func vmw_gb_surface_func = { |
147 | .res_type = vmw_res_surface, | |
148 | .needs_backup = true, | |
149 | .may_evict = true, | |
a0a63940 TH |
150 | .prio = 1, |
151 | .dirty_prio = 2, | |
a97e2192 TH |
152 | .type_name = "guest backed surfaces", |
153 | .backup_placement = &vmw_mob_placement, | |
154 | .create = vmw_gb_surface_create, | |
155 | .destroy = vmw_gb_surface_destroy, | |
156 | .bind = vmw_gb_surface_bind, | |
9ca7d19f TH |
157 | .unbind = vmw_gb_surface_unbind, |
158 | .dirty_alloc = vmw_surface_dirty_alloc, | |
159 | .dirty_free = vmw_surface_dirty_free, | |
160 | .dirty_sync = vmw_surface_dirty_sync, | |
161 | .dirty_range_add = vmw_surface_dirty_range_add, | |
162 | .clean = vmw_surface_clean, | |
a97e2192 TH |
163 | }; |
164 | ||
543831cf TH |
165 | /** |
166 | * struct vmw_surface_dma - SVGA3D DMA command | |
167 | */ | |
168 | struct vmw_surface_dma { | |
169 | SVGA3dCmdHeader header; | |
170 | SVGA3dCmdSurfaceDMA body; | |
171 | SVGA3dCopyBox cb; | |
172 | SVGA3dCmdSurfaceDMASuffix suffix; | |
173 | }; | |
174 | ||
175 | /** | |
176 | * struct vmw_surface_define - SVGA3D Surface Define command | |
177 | */ | |
178 | struct vmw_surface_define { | |
179 | SVGA3dCmdHeader header; | |
180 | SVGA3dCmdDefineSurface body; | |
181 | }; | |
182 | ||
183 | /** | |
184 | * struct vmw_surface_destroy - SVGA3D Surface Destroy command | |
185 | */ | |
186 | struct vmw_surface_destroy { | |
187 | SVGA3dCmdHeader header; | |
188 | SVGA3dCmdDestroySurface body; | |
189 | }; | |
190 | ||
191 | ||
192 | /** | |
193 | * vmw_surface_dma_size - Compute fifo size for a dma command. | |
194 | * | |
195 | * @srf: Pointer to a struct vmw_surface | |
196 | * | |
197 | * Computes the required size for a surface dma command for backup or | |
198 | * restoration of the surface represented by @srf. | |
199 | */ | |
200 | static inline uint32_t vmw_surface_dma_size(const struct vmw_surface *srf) | |
201 | { | |
26b82873 | 202 | return srf->metadata.num_sizes * sizeof(struct vmw_surface_dma); |
543831cf TH |
203 | } |
204 | ||
205 | ||
206 | /** | |
207 | * vmw_surface_define_size - Compute fifo size for a surface define command. | |
208 | * | |
209 | * @srf: Pointer to a struct vmw_surface | |
210 | * | |
211 | * Computes the required size for a surface define command for the definition | |
212 | * of the surface represented by @srf. | |
213 | */ | |
214 | static inline uint32_t vmw_surface_define_size(const struct vmw_surface *srf) | |
215 | { | |
26b82873 | 216 | return sizeof(struct vmw_surface_define) + srf->metadata.num_sizes * |
543831cf TH |
217 | sizeof(SVGA3dSize); |
218 | } | |
219 | ||
220 | ||
221 | /** | |
222 | * vmw_surface_destroy_size - Compute fifo size for a surface destroy command. | |
223 | * | |
224 | * Computes the required size for a surface destroy command for the destruction | |
225 | * of a hw surface. | |
226 | */ | |
227 | static inline uint32_t vmw_surface_destroy_size(void) | |
228 | { | |
229 | return sizeof(struct vmw_surface_destroy); | |
230 | } | |
231 | ||
232 | /** | |
233 | * vmw_surface_destroy_encode - Encode a surface_destroy command. | |
234 | * | |
235 | * @id: The surface id | |
236 | * @cmd_space: Pointer to memory area in which the commands should be encoded. | |
237 | */ | |
238 | static void vmw_surface_destroy_encode(uint32_t id, | |
239 | void *cmd_space) | |
240 | { | |
241 | struct vmw_surface_destroy *cmd = (struct vmw_surface_destroy *) | |
242 | cmd_space; | |
243 | ||
244 | cmd->header.id = SVGA_3D_CMD_SURFACE_DESTROY; | |
245 | cmd->header.size = sizeof(cmd->body); | |
246 | cmd->body.sid = id; | |
247 | } | |
248 | ||
249 | /** | |
250 | * vmw_surface_define_encode - Encode a surface_define command. | |
251 | * | |
252 | * @srf: Pointer to a struct vmw_surface object. | |
253 | * @cmd_space: Pointer to memory area in which the commands should be encoded. | |
254 | */ | |
255 | static void vmw_surface_define_encode(const struct vmw_surface *srf, | |
256 | void *cmd_space) | |
257 | { | |
258 | struct vmw_surface_define *cmd = (struct vmw_surface_define *) | |
259 | cmd_space; | |
260 | struct drm_vmw_size *src_size; | |
261 | SVGA3dSize *cmd_size; | |
262 | uint32_t cmd_len; | |
263 | int i; | |
264 | ||
26b82873 DR |
265 | cmd_len = sizeof(cmd->body) + srf->metadata.num_sizes * |
266 | sizeof(SVGA3dSize); | |
543831cf TH |
267 | |
268 | cmd->header.id = SVGA_3D_CMD_SURFACE_DEFINE; | |
269 | cmd->header.size = cmd_len; | |
270 | cmd->body.sid = srf->res.id; | |
397a1117 DR |
271 | /* |
272 | * Downcast of surfaceFlags, was upcasted when received from user-space, | |
273 | * since driver internally stores as 64 bit. | |
274 | * For legacy surface define only 32 bit flag is supported. | |
275 | */ | |
26b82873 DR |
276 | cmd->body.surfaceFlags = (SVGA3dSurface1Flags)srf->metadata.flags; |
277 | cmd->body.format = srf->metadata.format; | |
543831cf | 278 | for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) |
26b82873 | 279 | cmd->body.face[i].numMipLevels = srf->metadata.mip_levels[i]; |
543831cf TH |
280 | |
281 | cmd += 1; | |
282 | cmd_size = (SVGA3dSize *) cmd; | |
26b82873 | 283 | src_size = srf->metadata.sizes; |
543831cf | 284 | |
26b82873 | 285 | for (i = 0; i < srf->metadata.num_sizes; ++i, cmd_size++, src_size++) { |
543831cf TH |
286 | cmd_size->width = src_size->width; |
287 | cmd_size->height = src_size->height; | |
288 | cmd_size->depth = src_size->depth; | |
289 | } | |
290 | } | |
291 | ||
292 | /** | |
293 | * vmw_surface_dma_encode - Encode a surface_dma command. | |
294 | * | |
295 | * @srf: Pointer to a struct vmw_surface object. | |
296 | * @cmd_space: Pointer to memory area in which the commands should be encoded. | |
297 | * @ptr: Pointer to an SVGAGuestPtr indicating where the surface contents | |
298 | * should be placed or read from. | |
299 | * @to_surface: Boolean whether to DMA to the surface or from the surface. | |
300 | */ | |
301 | static void vmw_surface_dma_encode(struct vmw_surface *srf, | |
302 | void *cmd_space, | |
303 | const SVGAGuestPtr *ptr, | |
304 | bool to_surface) | |
305 | { | |
306 | uint32_t i; | |
543831cf | 307 | struct vmw_surface_dma *cmd = (struct vmw_surface_dma *)cmd_space; |
7e8d9da3 | 308 | const struct svga3d_surface_desc *desc = |
26b82873 | 309 | svga3dsurface_get_desc(srf->metadata.format); |
543831cf | 310 | |
26b82873 | 311 | for (i = 0; i < srf->metadata.num_sizes; ++i) { |
543831cf TH |
312 | SVGA3dCmdHeader *header = &cmd->header; |
313 | SVGA3dCmdSurfaceDMA *body = &cmd->body; | |
314 | SVGA3dCopyBox *cb = &cmd->cb; | |
315 | SVGA3dCmdSurfaceDMASuffix *suffix = &cmd->suffix; | |
316 | const struct vmw_surface_offset *cur_offset = &srf->offsets[i]; | |
26b82873 | 317 | const struct drm_vmw_size *cur_size = &srf->metadata.sizes[i]; |
543831cf TH |
318 | |
319 | header->id = SVGA_3D_CMD_SURFACE_DMA; | |
320 | header->size = sizeof(*body) + sizeof(*cb) + sizeof(*suffix); | |
321 | ||
322 | body->guest.ptr = *ptr; | |
323 | body->guest.ptr.offset += cur_offset->bo_offset; | |
7e8d9da3 TH |
324 | body->guest.pitch = svga3dsurface_calculate_pitch(desc, |
325 | cur_size); | |
543831cf TH |
326 | body->host.sid = srf->res.id; |
327 | body->host.face = cur_offset->face; | |
328 | body->host.mipmap = cur_offset->mip; | |
329 | body->transfer = ((to_surface) ? SVGA3D_WRITE_HOST_VRAM : | |
330 | SVGA3D_READ_HOST_VRAM); | |
331 | cb->x = 0; | |
332 | cb->y = 0; | |
333 | cb->z = 0; | |
334 | cb->srcx = 0; | |
335 | cb->srcy = 0; | |
336 | cb->srcz = 0; | |
337 | cb->w = cur_size->width; | |
338 | cb->h = cur_size->height; | |
339 | cb->d = cur_size->depth; | |
340 | ||
341 | suffix->suffixSize = sizeof(*suffix); | |
7e8d9da3 TH |
342 | suffix->maximumOffset = |
343 | svga3dsurface_get_image_buffer_size(desc, cur_size, | |
344 | body->guest.pitch); | |
543831cf TH |
345 | suffix->flags.discard = 0; |
346 | suffix->flags.unsynchronized = 0; | |
347 | suffix->flags.reserved = 0; | |
348 | ++cmd; | |
349 | } | |
350 | }; | |
351 | ||
352 | ||
353 | /** | |
354 | * vmw_hw_surface_destroy - destroy a Device surface | |
355 | * | |
356 | * @res: Pointer to a struct vmw_resource embedded in a struct | |
357 | * vmw_surface. | |
358 | * | |
359 | * Destroys a the device surface associated with a struct vmw_surface if | |
360 | * any, and adjusts accounting and resource count accordingly. | |
361 | */ | |
362 | static void vmw_hw_surface_destroy(struct vmw_resource *res) | |
363 | { | |
364 | ||
365 | struct vmw_private *dev_priv = res->dev_priv; | |
543831cf TH |
366 | void *cmd; |
367 | ||
a97e2192 TH |
368 | if (res->func->destroy == vmw_gb_surface_destroy) { |
369 | (void) vmw_gb_surface_destroy(res); | |
370 | return; | |
371 | } | |
372 | ||
543831cf TH |
373 | if (res->id != -1) { |
374 | ||
11c45419 DR |
375 | cmd = VMW_FIFO_RESERVE(dev_priv, vmw_surface_destroy_size()); |
376 | if (unlikely(!cmd)) | |
543831cf | 377 | return; |
543831cf TH |
378 | |
379 | vmw_surface_destroy_encode(res->id, cmd); | |
380 | vmw_fifo_commit(dev_priv, vmw_surface_destroy_size()); | |
381 | ||
382 | /* | |
383 | * used_memory_size_atomic, or separate lock | |
384 | * to avoid taking dev_priv::cmdbuf_mutex in | |
385 | * the destroy path. | |
386 | */ | |
387 | ||
388 | mutex_lock(&dev_priv->cmdbuf_mutex); | |
543831cf TH |
389 | dev_priv->used_memory_size -= res->backup_size; |
390 | mutex_unlock(&dev_priv->cmdbuf_mutex); | |
391 | } | |
543831cf TH |
392 | } |
393 | ||
394 | /** | |
395 | * vmw_legacy_srf_create - Create a device surface as part of the | |
396 | * resource validation process. | |
397 | * | |
398 | * @res: Pointer to a struct vmw_surface. | |
399 | * | |
400 | * If the surface doesn't have a hw id. | |
401 | * | |
402 | * Returns -EBUSY if there wasn't sufficient device resources to | |
403 | * complete the validation. Retry after freeing up resources. | |
404 | * | |
405 | * May return other errors if the kernel is out of guest resources. | |
406 | */ | |
407 | static int vmw_legacy_srf_create(struct vmw_resource *res) | |
408 | { | |
409 | struct vmw_private *dev_priv = res->dev_priv; | |
410 | struct vmw_surface *srf; | |
411 | uint32_t submit_size; | |
412 | uint8_t *cmd; | |
413 | int ret; | |
414 | ||
415 | if (likely(res->id != -1)) | |
416 | return 0; | |
417 | ||
418 | srf = vmw_res_to_srf(res); | |
419 | if (unlikely(dev_priv->used_memory_size + res->backup_size >= | |
420 | dev_priv->memory_size)) | |
421 | return -EBUSY; | |
422 | ||
423 | /* | |
424 | * Alloc id for the resource. | |
425 | */ | |
426 | ||
427 | ret = vmw_resource_alloc_id(res); | |
428 | if (unlikely(ret != 0)) { | |
429 | DRM_ERROR("Failed to allocate a surface id.\n"); | |
430 | goto out_no_id; | |
431 | } | |
432 | ||
433 | if (unlikely(res->id >= SVGA3D_MAX_SURFACE_IDS)) { | |
434 | ret = -EBUSY; | |
435 | goto out_no_fifo; | |
436 | } | |
437 | ||
438 | /* | |
439 | * Encode surface define- commands. | |
440 | */ | |
441 | ||
442 | submit_size = vmw_surface_define_size(srf); | |
11c45419 | 443 | cmd = VMW_FIFO_RESERVE(dev_priv, submit_size); |
862f6157 | 444 | if (unlikely(!cmd)) { |
543831cf TH |
445 | ret = -ENOMEM; |
446 | goto out_no_fifo; | |
447 | } | |
448 | ||
449 | vmw_surface_define_encode(srf, cmd); | |
450 | vmw_fifo_commit(dev_priv, submit_size); | |
89dc15b7 TH |
451 | vmw_fifo_resource_inc(dev_priv); |
452 | ||
543831cf TH |
453 | /* |
454 | * Surface memory usage accounting. | |
455 | */ | |
456 | ||
457 | dev_priv->used_memory_size += res->backup_size; | |
458 | return 0; | |
459 | ||
460 | out_no_fifo: | |
461 | vmw_resource_release_id(res); | |
462 | out_no_id: | |
463 | return ret; | |
464 | } | |
465 | ||
466 | /** | |
467 | * vmw_legacy_srf_dma - Copy backup data to or from a legacy surface. | |
468 | * | |
469 | * @res: Pointer to a struct vmw_res embedded in a struct | |
470 | * vmw_surface. | |
471 | * @val_buf: Pointer to a struct ttm_validate_buffer containing | |
472 | * information about the backup buffer. | |
473 | * @bind: Boolean wether to DMA to the surface. | |
474 | * | |
475 | * Transfer backup data to or from a legacy surface as part of the | |
476 | * validation process. | |
477 | * May return other errors if the kernel is out of guest resources. | |
478 | * The backup buffer will be fenced or idle upon successful completion, | |
479 | * and if the surface needs persistent backup storage, the backup buffer | |
480 | * will also be returned reserved iff @bind is true. | |
481 | */ | |
482 | static int vmw_legacy_srf_dma(struct vmw_resource *res, | |
483 | struct ttm_validate_buffer *val_buf, | |
484 | bool bind) | |
485 | { | |
486 | SVGAGuestPtr ptr; | |
487 | struct vmw_fence_obj *fence; | |
488 | uint32_t submit_size; | |
489 | struct vmw_surface *srf = vmw_res_to_srf(res); | |
490 | uint8_t *cmd; | |
491 | struct vmw_private *dev_priv = res->dev_priv; | |
492 | ||
862f6157 | 493 | BUG_ON(!val_buf->bo); |
543831cf | 494 | submit_size = vmw_surface_dma_size(srf); |
11c45419 DR |
495 | cmd = VMW_FIFO_RESERVE(dev_priv, submit_size); |
496 | if (unlikely(!cmd)) | |
543831cf | 497 | return -ENOMEM; |
11c45419 | 498 | |
543831cf TH |
499 | vmw_bo_get_guest_ptr(val_buf->bo, &ptr); |
500 | vmw_surface_dma_encode(srf, cmd, &ptr, bind); | |
501 | ||
502 | vmw_fifo_commit(dev_priv, submit_size); | |
503 | ||
504 | /* | |
505 | * Create a fence object and fence the backup buffer. | |
506 | */ | |
507 | ||
508 | (void) vmw_execbuf_fence_commands(NULL, dev_priv, | |
509 | &fence, NULL); | |
510 | ||
e9431ea5 | 511 | vmw_bo_fence_single(val_buf->bo, fence); |
543831cf TH |
512 | |
513 | if (likely(fence != NULL)) | |
514 | vmw_fence_obj_unreference(&fence); | |
515 | ||
516 | return 0; | |
517 | } | |
518 | ||
519 | /** | |
520 | * vmw_legacy_srf_bind - Perform a legacy surface bind as part of the | |
521 | * surface validation process. | |
522 | * | |
523 | * @res: Pointer to a struct vmw_res embedded in a struct | |
524 | * vmw_surface. | |
525 | * @val_buf: Pointer to a struct ttm_validate_buffer containing | |
526 | * information about the backup buffer. | |
527 | * | |
528 | * This function will copy backup data to the surface if the | |
529 | * backup buffer is dirty. | |
530 | */ | |
531 | static int vmw_legacy_srf_bind(struct vmw_resource *res, | |
532 | struct ttm_validate_buffer *val_buf) | |
533 | { | |
534 | if (!res->backup_dirty) | |
535 | return 0; | |
536 | ||
537 | return vmw_legacy_srf_dma(res, val_buf, true); | |
538 | } | |
539 | ||
540 | ||
541 | /** | |
542 | * vmw_legacy_srf_unbind - Perform a legacy surface unbind as part of the | |
543 | * surface eviction process. | |
544 | * | |
545 | * @res: Pointer to a struct vmw_res embedded in a struct | |
546 | * vmw_surface. | |
547 | * @val_buf: Pointer to a struct ttm_validate_buffer containing | |
548 | * information about the backup buffer. | |
549 | * | |
550 | * This function will copy backup data from the surface. | |
551 | */ | |
552 | static int vmw_legacy_srf_unbind(struct vmw_resource *res, | |
553 | bool readback, | |
554 | struct ttm_validate_buffer *val_buf) | |
555 | { | |
556 | if (unlikely(readback)) | |
557 | return vmw_legacy_srf_dma(res, val_buf, false); | |
558 | return 0; | |
559 | } | |
560 | ||
561 | /** | |
562 | * vmw_legacy_srf_destroy - Destroy a device surface as part of a | |
563 | * resource eviction process. | |
564 | * | |
565 | * @res: Pointer to a struct vmw_res embedded in a struct | |
566 | * vmw_surface. | |
567 | */ | |
568 | static int vmw_legacy_srf_destroy(struct vmw_resource *res) | |
569 | { | |
570 | struct vmw_private *dev_priv = res->dev_priv; | |
571 | uint32_t submit_size; | |
572 | uint8_t *cmd; | |
573 | ||
574 | BUG_ON(res->id == -1); | |
575 | ||
576 | /* | |
577 | * Encode the dma- and surface destroy commands. | |
578 | */ | |
579 | ||
580 | submit_size = vmw_surface_destroy_size(); | |
11c45419 DR |
581 | cmd = VMW_FIFO_RESERVE(dev_priv, submit_size); |
582 | if (unlikely(!cmd)) | |
543831cf | 583 | return -ENOMEM; |
543831cf TH |
584 | |
585 | vmw_surface_destroy_encode(res->id, cmd); | |
586 | vmw_fifo_commit(dev_priv, submit_size); | |
587 | ||
588 | /* | |
589 | * Surface memory usage accounting. | |
590 | */ | |
591 | ||
592 | dev_priv->used_memory_size -= res->backup_size; | |
593 | ||
594 | /* | |
595 | * Release the surface ID. | |
596 | */ | |
597 | ||
598 | vmw_resource_release_id(res); | |
89dc15b7 | 599 | vmw_fifo_resource_dec(dev_priv); |
543831cf TH |
600 | |
601 | return 0; | |
602 | } | |
603 | ||
604 | ||
605 | /** | |
606 | * vmw_surface_init - initialize a struct vmw_surface | |
607 | * | |
608 | * @dev_priv: Pointer to a device private struct. | |
609 | * @srf: Pointer to the struct vmw_surface to initialize. | |
610 | * @res_free: Pointer to a resource destructor used to free | |
611 | * the object. | |
612 | */ | |
613 | static int vmw_surface_init(struct vmw_private *dev_priv, | |
614 | struct vmw_surface *srf, | |
615 | void (*res_free) (struct vmw_resource *res)) | |
616 | { | |
617 | int ret; | |
618 | struct vmw_resource *res = &srf->res; | |
619 | ||
862f6157 | 620 | BUG_ON(!res_free); |
543831cf | 621 | ret = vmw_resource_init(dev_priv, res, true, res_free, |
a97e2192 | 622 | (dev_priv->has_mob) ? &vmw_gb_surface_func : |
543831cf TH |
623 | &vmw_legacy_surface_func); |
624 | ||
625 | if (unlikely(ret != 0)) { | |
543831cf TH |
626 | res_free(res); |
627 | return ret; | |
628 | } | |
629 | ||
630 | /* | |
631 | * The surface won't be visible to hardware until a | |
632 | * surface validate. | |
633 | */ | |
634 | ||
d80efd5c | 635 | INIT_LIST_HEAD(&srf->view_list); |
13289241 | 636 | res->hw_destroy = vmw_hw_surface_destroy; |
543831cf TH |
637 | return ret; |
638 | } | |
639 | ||
640 | /** | |
641 | * vmw_user_surface_base_to_res - TTM base object to resource converter for | |
642 | * user visible surfaces | |
643 | * | |
644 | * @base: Pointer to a TTM base object | |
645 | * | |
646 | * Returns the struct vmw_resource embedded in a struct vmw_surface | |
647 | * for the user-visible object identified by the TTM base object @base. | |
648 | */ | |
649 | static struct vmw_resource * | |
650 | vmw_user_surface_base_to_res(struct ttm_base_object *base) | |
651 | { | |
79e5f810 TH |
652 | return &(container_of(base, struct vmw_user_surface, |
653 | prime.base)->srf.res); | |
543831cf TH |
654 | } |
655 | ||
656 | /** | |
657 | * vmw_user_surface_free - User visible surface resource destructor | |
658 | * | |
659 | * @res: A struct vmw_resource embedded in a struct vmw_surface. | |
660 | */ | |
661 | static void vmw_user_surface_free(struct vmw_resource *res) | |
662 | { | |
663 | struct vmw_surface *srf = vmw_res_to_srf(res); | |
664 | struct vmw_user_surface *user_srf = | |
665 | container_of(srf, struct vmw_user_surface, srf); | |
666 | struct vmw_private *dev_priv = srf->res.dev_priv; | |
667 | uint32_t size = user_srf->size; | |
668 | ||
9ca7d19f | 669 | WARN_ON_ONCE(res->dirty); |
6d10aab8 TH |
670 | if (user_srf->master) |
671 | drm_master_put(&user_srf->master); | |
543831cf | 672 | kfree(srf->offsets); |
26b82873 | 673 | kfree(srf->metadata.sizes); |
543831cf | 674 | kfree(srf->snooper.image); |
79e5f810 | 675 | ttm_prime_object_kfree(user_srf, prime); |
543831cf TH |
676 | ttm_mem_global_free(vmw_mem_glob(dev_priv), size); |
677 | } | |
678 | ||
679 | /** | |
680 | * vmw_user_surface_free - User visible surface TTM base object destructor | |
681 | * | |
682 | * @p_base: Pointer to a pointer to a TTM base object | |
683 | * embedded in a struct vmw_user_surface. | |
684 | * | |
685 | * Drops the base object's reference on its resource, and the | |
686 | * pointer pointed to by *p_base is set to NULL. | |
687 | */ | |
688 | static void vmw_user_surface_base_release(struct ttm_base_object **p_base) | |
689 | { | |
690 | struct ttm_base_object *base = *p_base; | |
691 | struct vmw_user_surface *user_srf = | |
79e5f810 | 692 | container_of(base, struct vmw_user_surface, prime.base); |
543831cf TH |
693 | struct vmw_resource *res = &user_srf->srf.res; |
694 | ||
695 | *p_base = NULL; | |
ed7d78b2 TH |
696 | if (user_srf->backup_base) |
697 | ttm_base_object_unref(&user_srf->backup_base); | |
543831cf TH |
698 | vmw_resource_unreference(&res); |
699 | } | |
700 | ||
701 | /** | |
702 | * vmw_user_surface_destroy_ioctl - Ioctl function implementing | |
703 | * the user surface destroy functionality. | |
704 | * | |
705 | * @dev: Pointer to a struct drm_device. | |
706 | * @data: Pointer to data copied from / to user-space. | |
707 | * @file_priv: Pointer to a drm file private structure. | |
708 | */ | |
709 | int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, | |
710 | struct drm_file *file_priv) | |
711 | { | |
712 | struct drm_vmw_surface_arg *arg = (struct drm_vmw_surface_arg *)data; | |
713 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; | |
714 | ||
715 | return ttm_ref_object_base_unref(tfile, arg->sid, TTM_REF_USAGE); | |
716 | } | |
717 | ||
718 | /** | |
719 | * vmw_user_surface_define_ioctl - Ioctl function implementing | |
720 | * the user surface define functionality. | |
721 | * | |
722 | * @dev: Pointer to a struct drm_device. | |
723 | * @data: Pointer to data copied from / to user-space. | |
724 | * @file_priv: Pointer to a drm file private structure. | |
725 | */ | |
726 | int vmw_surface_define_ioctl(struct drm_device *dev, void *data, | |
727 | struct drm_file *file_priv) | |
728 | { | |
729 | struct vmw_private *dev_priv = vmw_priv(dev); | |
730 | struct vmw_user_surface *user_srf; | |
731 | struct vmw_surface *srf; | |
26b82873 | 732 | struct vmw_surface_metadata *metadata; |
543831cf TH |
733 | struct vmw_resource *res; |
734 | struct vmw_resource *tmp; | |
735 | union drm_vmw_surface_create_arg *arg = | |
736 | (union drm_vmw_surface_create_arg *)data; | |
737 | struct drm_vmw_surface_create_req *req = &arg->req; | |
738 | struct drm_vmw_surface_arg *rep = &arg->rep; | |
739 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; | |
279c01f6 RH |
740 | struct ttm_operation_ctx ctx = { |
741 | .interruptible = true, | |
742 | .no_wait_gpu = false | |
743 | }; | |
543831cf TH |
744 | int ret; |
745 | int i, j; | |
746 | uint32_t cur_bo_offset; | |
747 | struct drm_vmw_size *cur_size; | |
748 | struct vmw_surface_offset *cur_offset; | |
543831cf TH |
749 | uint32_t num_sizes; |
750 | uint32_t size; | |
7e8d9da3 | 751 | const struct svga3d_surface_desc *desc; |
543831cf TH |
752 | |
753 | if (unlikely(vmw_user_surface_size == 0)) | |
754 | vmw_user_surface_size = ttm_round_pot(sizeof(*user_srf)) + | |
c7eae626 | 755 | VMW_IDA_ACC_SIZE + TTM_OBJ_EXTRA_SIZE; |
543831cf TH |
756 | |
757 | num_sizes = 0; | |
e7e11f99 LQ |
758 | for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) { |
759 | if (req->mip_levels[i] > DRM_VMW_MAX_MIP_LEVELS) | |
760 | return -EINVAL; | |
543831cf | 761 | num_sizes += req->mip_levels[i]; |
e7e11f99 | 762 | } |
543831cf | 763 | |
36274ab8 MM |
764 | if (num_sizes > DRM_VMW_MAX_SURFACE_FACES * DRM_VMW_MAX_MIP_LEVELS || |
765 | num_sizes == 0) | |
543831cf TH |
766 | return -EINVAL; |
767 | ||
c7eae626 | 768 | size = vmw_user_surface_size + |
543831cf TH |
769 | ttm_round_pot(num_sizes * sizeof(struct drm_vmw_size)) + |
770 | ttm_round_pot(num_sizes * sizeof(struct vmw_surface_offset)); | |
771 | ||
7e8d9da3 TH |
772 | desc = svga3dsurface_get_desc(req->format); |
773 | if (unlikely(desc->block_desc == SVGA3DBLOCKDESC_NONE)) { | |
5724f899 DR |
774 | VMW_DEBUG_USER("Invalid format %d for surface creation.\n", |
775 | req->format); | |
7e8d9da3 TH |
776 | return -EINVAL; |
777 | } | |
778 | ||
294adf7d | 779 | ret = ttm_read_lock(&dev_priv->reservation_sem, true); |
543831cf TH |
780 | if (unlikely(ret != 0)) |
781 | return ret; | |
782 | ||
783 | ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), | |
279c01f6 | 784 | size, &ctx); |
543831cf TH |
785 | if (unlikely(ret != 0)) { |
786 | if (ret != -ERESTARTSYS) | |
5724f899 | 787 | DRM_ERROR("Out of graphics memory for surface.\n"); |
543831cf TH |
788 | goto out_unlock; |
789 | } | |
790 | ||
791 | user_srf = kzalloc(sizeof(*user_srf), GFP_KERNEL); | |
862f6157 | 792 | if (unlikely(!user_srf)) { |
543831cf TH |
793 | ret = -ENOMEM; |
794 | goto out_no_user_srf; | |
795 | } | |
796 | ||
797 | srf = &user_srf->srf; | |
26b82873 | 798 | metadata = &srf->metadata; |
543831cf TH |
799 | res = &srf->res; |
800 | ||
397a1117 | 801 | /* Driver internally stores as 64-bit flags */ |
26b82873 DR |
802 | metadata->flags = (SVGA3dSurfaceAllFlags)req->flags; |
803 | metadata->format = req->format; | |
804 | metadata->scanout = req->scanout; | |
543831cf | 805 | |
26b82873 DR |
806 | memcpy(metadata->mip_levels, req->mip_levels, |
807 | sizeof(metadata->mip_levels)); | |
808 | metadata->num_sizes = num_sizes; | |
543831cf | 809 | user_srf->size = size; |
26b82873 DR |
810 | metadata->sizes = |
811 | memdup_user((struct drm_vmw_size __user *)(unsigned long) | |
812 | req->size_addr, | |
813 | sizeof(*metadata->sizes) * metadata->num_sizes); | |
814 | if (IS_ERR(metadata->sizes)) { | |
815 | ret = PTR_ERR(metadata->sizes); | |
543831cf TH |
816 | goto out_no_sizes; |
817 | } | |
26b82873 | 818 | srf->offsets = kmalloc_array(metadata->num_sizes, sizeof(*srf->offsets), |
7ed3b394 | 819 | GFP_KERNEL); |
862f6157 | 820 | if (unlikely(!srf->offsets)) { |
543831cf TH |
821 | ret = -ENOMEM; |
822 | goto out_no_offsets; | |
823 | } | |
824 | ||
26b82873 DR |
825 | metadata->base_size = *srf->metadata.sizes; |
826 | metadata->autogen_filter = SVGA3D_TEX_FILTER_NONE; | |
827 | metadata->multisample_count = 0; | |
828 | metadata->multisample_pattern = SVGA3D_MS_PATTERN_NONE; | |
829 | metadata->quality_level = SVGA3D_MS_QUALITY_NONE; | |
543831cf TH |
830 | |
831 | cur_bo_offset = 0; | |
832 | cur_offset = srf->offsets; | |
26b82873 | 833 | cur_size = metadata->sizes; |
543831cf | 834 | |
543831cf | 835 | for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) { |
26b82873 | 836 | for (j = 0; j < metadata->mip_levels[i]; ++j) { |
7e8d9da3 TH |
837 | uint32_t stride = svga3dsurface_calculate_pitch |
838 | (desc, cur_size); | |
543831cf TH |
839 | |
840 | cur_offset->face = i; | |
841 | cur_offset->mip = j; | |
842 | cur_offset->bo_offset = cur_bo_offset; | |
7e8d9da3 TH |
843 | cur_bo_offset += svga3dsurface_get_image_buffer_size |
844 | (desc, cur_size, stride); | |
543831cf TH |
845 | ++cur_offset; |
846 | ++cur_size; | |
847 | } | |
848 | } | |
849 | res->backup_size = cur_bo_offset; | |
26b82873 DR |
850 | if (metadata->scanout && |
851 | metadata->num_sizes == 1 && | |
852 | metadata->sizes[0].width == 64 && | |
853 | metadata->sizes[0].height == 64 && | |
854 | metadata->format == SVGA3D_A8R8G8B8) { | |
543831cf | 855 | |
9e266128 RV |
856 | srf->snooper.image = kzalloc(64 * 64 * 4, GFP_KERNEL); |
857 | if (!srf->snooper.image) { | |
543831cf TH |
858 | DRM_ERROR("Failed to allocate cursor_image\n"); |
859 | ret = -ENOMEM; | |
860 | goto out_no_copy; | |
861 | } | |
862 | } else { | |
863 | srf->snooper.image = NULL; | |
864 | } | |
543831cf | 865 | |
79e5f810 TH |
866 | user_srf->prime.base.shareable = false; |
867 | user_srf->prime.base.tfile = NULL; | |
6d10aab8 TH |
868 | if (drm_is_primary_client(file_priv)) |
869 | user_srf->master = drm_master_get(file_priv->master); | |
543831cf TH |
870 | |
871 | /** | |
872 | * From this point, the generic resource management functions | |
873 | * destroy the object on failure. | |
874 | */ | |
875 | ||
876 | ret = vmw_surface_init(dev_priv, srf, vmw_user_surface_free); | |
877 | if (unlikely(ret != 0)) | |
878 | goto out_unlock; | |
879 | ||
4b0c8252 TH |
880 | /* |
881 | * A gb-aware client referencing a shared surface will | |
882 | * expect a backup buffer to be present. | |
883 | */ | |
884 | if (dev_priv->has_mob && req->shareable) { | |
885 | uint32_t backup_handle; | |
886 | ||
f1d34bfd TH |
887 | ret = vmw_user_bo_alloc(dev_priv, tfile, |
888 | res->backup_size, | |
889 | true, | |
890 | &backup_handle, | |
891 | &res->backup, | |
892 | &user_srf->backup_base); | |
4b0c8252 TH |
893 | if (unlikely(ret != 0)) { |
894 | vmw_resource_unreference(&res); | |
895 | goto out_unlock; | |
896 | } | |
897 | } | |
898 | ||
543831cf | 899 | tmp = vmw_resource_reference(&srf->res); |
79e5f810 TH |
900 | ret = ttm_prime_object_init(tfile, res->backup_size, &user_srf->prime, |
901 | req->shareable, VMW_RES_SURFACE, | |
902 | &vmw_user_surface_base_release, NULL); | |
543831cf TH |
903 | |
904 | if (unlikely(ret != 0)) { | |
905 | vmw_resource_unreference(&tmp); | |
906 | vmw_resource_unreference(&res); | |
907 | goto out_unlock; | |
908 | } | |
909 | ||
c7eae626 | 910 | rep->sid = user_srf->prime.base.handle; |
543831cf TH |
911 | vmw_resource_unreference(&res); |
912 | ||
294adf7d | 913 | ttm_read_unlock(&dev_priv->reservation_sem); |
543831cf TH |
914 | return 0; |
915 | out_no_copy: | |
916 | kfree(srf->offsets); | |
917 | out_no_offsets: | |
26b82873 | 918 | kfree(metadata->sizes); |
543831cf | 919 | out_no_sizes: |
79e5f810 | 920 | ttm_prime_object_kfree(user_srf, prime); |
543831cf TH |
921 | out_no_user_srf: |
922 | ttm_mem_global_free(vmw_mem_glob(dev_priv), size); | |
923 | out_unlock: | |
294adf7d | 924 | ttm_read_unlock(&dev_priv->reservation_sem); |
543831cf TH |
925 | return ret; |
926 | } | |
927 | ||
adebcb20 TH |
928 | |
929 | static int | |
930 | vmw_surface_handle_reference(struct vmw_private *dev_priv, | |
931 | struct drm_file *file_priv, | |
932 | uint32_t u_handle, | |
933 | enum drm_vmw_handle_type handle_type, | |
934 | struct ttm_base_object **base_p) | |
935 | { | |
936 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; | |
6d10aab8 | 937 | struct vmw_user_surface *user_srf; |
adebcb20 TH |
938 | uint32_t handle; |
939 | struct ttm_base_object *base; | |
940 | int ret; | |
941 | ||
942 | if (handle_type == DRM_VMW_HANDLE_PRIME) { | |
943 | ret = ttm_prime_fd_to_handle(tfile, u_handle, &handle); | |
944 | if (unlikely(ret != 0)) | |
945 | return ret; | |
946 | } else { | |
adebcb20 TH |
947 | handle = u_handle; |
948 | } | |
949 | ||
950 | ret = -EINVAL; | |
951 | base = ttm_base_object_lookup_for_ref(dev_priv->tdev, handle); | |
862f6157 | 952 | if (unlikely(!base)) { |
5724f899 | 953 | VMW_DEBUG_USER("Could not find surface to reference.\n"); |
adebcb20 TH |
954 | goto out_no_lookup; |
955 | } | |
956 | ||
957 | if (unlikely(ttm_base_object_type(base) != VMW_RES_SURFACE)) { | |
5724f899 | 958 | VMW_DEBUG_USER("Referenced object is not a surface.\n"); |
adebcb20 TH |
959 | goto out_bad_resource; |
960 | } | |
961 | ||
962 | if (handle_type != DRM_VMW_HANDLE_PRIME) { | |
8815a94f EV |
963 | bool require_exist = false; |
964 | ||
6d10aab8 TH |
965 | user_srf = container_of(base, struct vmw_user_surface, |
966 | prime.base); | |
967 | ||
4872e6aa EV |
968 | /* Error out if we are unauthenticated primary */ |
969 | if (drm_is_primary_client(file_priv) && | |
970 | !file_priv->authenticated) { | |
971 | ret = -EACCES; | |
972 | goto out_bad_resource; | |
973 | } | |
974 | ||
6d10aab8 TH |
975 | /* |
976 | * Make sure the surface creator has the same | |
fe25deb7 | 977 | * authenticating master, or is already registered with us. |
6d10aab8 TH |
978 | */ |
979 | if (drm_is_primary_client(file_priv) && | |
fe25deb7 TH |
980 | user_srf->master != file_priv->master) |
981 | require_exist = true; | |
6d10aab8 | 982 | |
8815a94f EV |
983 | if (unlikely(drm_is_render_client(file_priv))) |
984 | require_exist = true; | |
985 | ||
fe25deb7 TH |
986 | ret = ttm_ref_object_add(tfile, base, TTM_REF_USAGE, NULL, |
987 | require_exist); | |
adebcb20 TH |
988 | if (unlikely(ret != 0)) { |
989 | DRM_ERROR("Could not add a reference to a surface.\n"); | |
990 | goto out_bad_resource; | |
991 | } | |
992 | } | |
993 | ||
994 | *base_p = base; | |
995 | return 0; | |
996 | ||
997 | out_bad_resource: | |
998 | ttm_base_object_unref(&base); | |
999 | out_no_lookup: | |
1000 | if (handle_type == DRM_VMW_HANDLE_PRIME) | |
1001 | (void) ttm_ref_object_base_unref(tfile, handle, TTM_REF_USAGE); | |
1002 | ||
1003 | return ret; | |
1004 | } | |
1005 | ||
543831cf TH |
1006 | /** |
1007 | * vmw_user_surface_define_ioctl - Ioctl function implementing | |
1008 | * the user surface reference functionality. | |
1009 | * | |
1010 | * @dev: Pointer to a struct drm_device. | |
1011 | * @data: Pointer to data copied from / to user-space. | |
1012 | * @file_priv: Pointer to a drm file private structure. | |
1013 | */ | |
1014 | int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, | |
1015 | struct drm_file *file_priv) | |
1016 | { | |
05efb1ab | 1017 | struct vmw_private *dev_priv = vmw_priv(dev); |
543831cf TH |
1018 | union drm_vmw_surface_reference_arg *arg = |
1019 | (union drm_vmw_surface_reference_arg *)data; | |
1020 | struct drm_vmw_surface_arg *req = &arg->req; | |
1021 | struct drm_vmw_surface_create_req *rep = &arg->rep; | |
1022 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; | |
1023 | struct vmw_surface *srf; | |
1024 | struct vmw_user_surface *user_srf; | |
1025 | struct drm_vmw_size __user *user_sizes; | |
1026 | struct ttm_base_object *base; | |
adebcb20 | 1027 | int ret; |
543831cf | 1028 | |
adebcb20 TH |
1029 | ret = vmw_surface_handle_reference(dev_priv, file_priv, req->sid, |
1030 | req->handle_type, &base); | |
1031 | if (unlikely(ret != 0)) | |
1032 | return ret; | |
543831cf | 1033 | |
79e5f810 | 1034 | user_srf = container_of(base, struct vmw_user_surface, prime.base); |
543831cf TH |
1035 | srf = &user_srf->srf; |
1036 | ||
397a1117 | 1037 | /* Downcast of flags when sending back to user space */ |
26b82873 DR |
1038 | rep->flags = (uint32_t)srf->metadata.flags; |
1039 | rep->format = srf->metadata.format; | |
1040 | memcpy(rep->mip_levels, srf->metadata.mip_levels, | |
1041 | sizeof(srf->metadata.mip_levels)); | |
543831cf TH |
1042 | user_sizes = (struct drm_vmw_size __user *)(unsigned long) |
1043 | rep->size_addr; | |
1044 | ||
1045 | if (user_sizes) | |
26b82873 DR |
1046 | ret = copy_to_user(user_sizes, &srf->metadata.base_size, |
1047 | sizeof(srf->metadata.base_size)); | |
543831cf | 1048 | if (unlikely(ret != 0)) { |
5724f899 | 1049 | VMW_DEBUG_USER("copy_to_user failed %p %u\n", user_sizes, |
26b82873 | 1050 | srf->metadata.num_sizes); |
c7eae626 | 1051 | ttm_ref_object_base_unref(tfile, base->handle, TTM_REF_USAGE); |
543831cf TH |
1052 | ret = -EFAULT; |
1053 | } | |
adebcb20 | 1054 | |
543831cf TH |
1055 | ttm_base_object_unref(&base); |
1056 | ||
1057 | return ret; | |
1058 | } | |
a97e2192 TH |
1059 | |
1060 | /** | |
1061 | * vmw_surface_define_encode - Encode a surface_define command. | |
1062 | * | |
1063 | * @srf: Pointer to a struct vmw_surface object. | |
1064 | * @cmd_space: Pointer to memory area in which the commands should be encoded. | |
1065 | */ | |
1066 | static int vmw_gb_surface_create(struct vmw_resource *res) | |
1067 | { | |
1068 | struct vmw_private *dev_priv = res->dev_priv; | |
1069 | struct vmw_surface *srf = vmw_res_to_srf(res); | |
26b82873 | 1070 | struct vmw_surface_metadata *metadata = &srf->metadata; |
d80efd5c | 1071 | uint32_t cmd_len, cmd_id, submit_len; |
a97e2192 TH |
1072 | int ret; |
1073 | struct { | |
1074 | SVGA3dCmdHeader header; | |
1075 | SVGA3dCmdDefineGBSurface body; | |
1076 | } *cmd; | |
d80efd5c TH |
1077 | struct { |
1078 | SVGA3dCmdHeader header; | |
1079 | SVGA3dCmdDefineGBSurface_v2 body; | |
1080 | } *cmd2; | |
cdff8e73 DR |
1081 | struct { |
1082 | SVGA3dCmdHeader header; | |
1083 | SVGA3dCmdDefineGBSurface_v3 body; | |
1084 | } *cmd3; | |
2a50f06d DR |
1085 | struct { |
1086 | SVGA3dCmdHeader header; | |
1087 | SVGA3dCmdDefineGBSurface_v4 body; | |
1088 | } *cmd4; | |
a97e2192 TH |
1089 | |
1090 | if (likely(res->id != -1)) | |
1091 | return 0; | |
1092 | ||
153b3d5b | 1093 | vmw_fifo_resource_inc(dev_priv); |
a97e2192 TH |
1094 | ret = vmw_resource_alloc_id(res); |
1095 | if (unlikely(ret != 0)) { | |
1096 | DRM_ERROR("Failed to allocate a surface id.\n"); | |
1097 | goto out_no_id; | |
1098 | } | |
1099 | ||
1100 | if (unlikely(res->id >= VMWGFX_NUM_GB_SURFACE)) { | |
1101 | ret = -EBUSY; | |
1102 | goto out_no_fifo; | |
1103 | } | |
1104 | ||
2a50f06d DR |
1105 | if (has_sm5_context(dev_priv) && metadata->array_size > 0) { |
1106 | cmd_id = SVGA_3D_CMD_DEFINE_GB_SURFACE_V4; | |
1107 | cmd_len = sizeof(cmd4->body); | |
1108 | submit_len = sizeof(*cmd4); | |
1109 | } else if (has_sm4_1_context(dev_priv) && metadata->array_size > 0) { | |
cdff8e73 DR |
1110 | cmd_id = SVGA_3D_CMD_DEFINE_GB_SURFACE_V3; |
1111 | cmd_len = sizeof(cmd3->body); | |
1112 | submit_len = sizeof(*cmd3); | |
26b82873 | 1113 | } else if (metadata->array_size > 0) { |
878c6ecd | 1114 | /* VMW_SM_4 support verified at creation time. */ |
d80efd5c TH |
1115 | cmd_id = SVGA_3D_CMD_DEFINE_GB_SURFACE_V2; |
1116 | cmd_len = sizeof(cmd2->body); | |
1117 | submit_len = sizeof(*cmd2); | |
1118 | } else { | |
1119 | cmd_id = SVGA_3D_CMD_DEFINE_GB_SURFACE; | |
1120 | cmd_len = sizeof(cmd->body); | |
1121 | submit_len = sizeof(*cmd); | |
1122 | } | |
1123 | ||
11c45419 | 1124 | cmd = VMW_FIFO_RESERVE(dev_priv, submit_len); |
d80efd5c | 1125 | cmd2 = (typeof(cmd2))cmd; |
cdff8e73 | 1126 | cmd3 = (typeof(cmd3))cmd; |
2a50f06d | 1127 | cmd4 = (typeof(cmd4))cmd; |
862f6157 | 1128 | if (unlikely(!cmd)) { |
a97e2192 TH |
1129 | ret = -ENOMEM; |
1130 | goto out_no_fifo; | |
1131 | } | |
1132 | ||
2a50f06d DR |
1133 | if (has_sm5_context(dev_priv) && metadata->array_size > 0) { |
1134 | cmd4->header.id = cmd_id; | |
1135 | cmd4->header.size = cmd_len; | |
1136 | cmd4->body.sid = srf->res.id; | |
1137 | cmd4->body.surfaceFlags = metadata->flags; | |
1138 | cmd4->body.format = metadata->format; | |
1139 | cmd4->body.numMipLevels = metadata->mip_levels[0]; | |
1140 | cmd4->body.multisampleCount = metadata->multisample_count; | |
1141 | cmd4->body.multisamplePattern = metadata->multisample_pattern; | |
1142 | cmd4->body.qualityLevel = metadata->quality_level; | |
1143 | cmd4->body.autogenFilter = metadata->autogen_filter; | |
1144 | cmd4->body.size.width = metadata->base_size.width; | |
1145 | cmd4->body.size.height = metadata->base_size.height; | |
1146 | cmd4->body.size.depth = metadata->base_size.depth; | |
1147 | cmd4->body.arraySize = metadata->array_size; | |
1148 | cmd4->body.bufferByteStride = metadata->buffer_byte_stride; | |
1149 | } else if (has_sm4_1_context(dev_priv) && metadata->array_size > 0) { | |
cdff8e73 DR |
1150 | cmd3->header.id = cmd_id; |
1151 | cmd3->header.size = cmd_len; | |
1152 | cmd3->body.sid = srf->res.id; | |
26b82873 DR |
1153 | cmd3->body.surfaceFlags = metadata->flags; |
1154 | cmd3->body.format = metadata->format; | |
1155 | cmd3->body.numMipLevels = metadata->mip_levels[0]; | |
1156 | cmd3->body.multisampleCount = metadata->multisample_count; | |
1157 | cmd3->body.multisamplePattern = metadata->multisample_pattern; | |
1158 | cmd3->body.qualityLevel = metadata->quality_level; | |
1159 | cmd3->body.autogenFilter = metadata->autogen_filter; | |
1160 | cmd3->body.size.width = metadata->base_size.width; | |
1161 | cmd3->body.size.height = metadata->base_size.height; | |
1162 | cmd3->body.size.depth = metadata->base_size.depth; | |
1163 | cmd3->body.arraySize = metadata->array_size; | |
1164 | } else if (metadata->array_size > 0) { | |
d80efd5c TH |
1165 | cmd2->header.id = cmd_id; |
1166 | cmd2->header.size = cmd_len; | |
1167 | cmd2->body.sid = srf->res.id; | |
26b82873 DR |
1168 | cmd2->body.surfaceFlags = metadata->flags; |
1169 | cmd2->body.format = metadata->format; | |
1170 | cmd2->body.numMipLevels = metadata->mip_levels[0]; | |
1171 | cmd2->body.multisampleCount = metadata->multisample_count; | |
1172 | cmd2->body.autogenFilter = metadata->autogen_filter; | |
1173 | cmd2->body.size.width = metadata->base_size.width; | |
1174 | cmd2->body.size.height = metadata->base_size.height; | |
1175 | cmd2->body.size.depth = metadata->base_size.depth; | |
1176 | cmd2->body.arraySize = metadata->array_size; | |
d80efd5c TH |
1177 | } else { |
1178 | cmd->header.id = cmd_id; | |
1179 | cmd->header.size = cmd_len; | |
1180 | cmd->body.sid = srf->res.id; | |
26b82873 DR |
1181 | cmd->body.surfaceFlags = metadata->flags; |
1182 | cmd->body.format = metadata->format; | |
1183 | cmd->body.numMipLevels = metadata->mip_levels[0]; | |
1184 | cmd->body.multisampleCount = metadata->multisample_count; | |
1185 | cmd->body.autogenFilter = metadata->autogen_filter; | |
1186 | cmd->body.size.width = metadata->base_size.width; | |
1187 | cmd->body.size.height = metadata->base_size.height; | |
1188 | cmd->body.size.depth = metadata->base_size.depth; | |
d80efd5c TH |
1189 | } |
1190 | ||
a97e2192 TH |
1191 | vmw_fifo_commit(dev_priv, submit_len); |
1192 | ||
1193 | return 0; | |
1194 | ||
1195 | out_no_fifo: | |
1196 | vmw_resource_release_id(res); | |
1197 | out_no_id: | |
153b3d5b | 1198 | vmw_fifo_resource_dec(dev_priv); |
a97e2192 TH |
1199 | return ret; |
1200 | } | |
1201 | ||
1202 | ||
1203 | static int vmw_gb_surface_bind(struct vmw_resource *res, | |
1204 | struct ttm_validate_buffer *val_buf) | |
1205 | { | |
1206 | struct vmw_private *dev_priv = res->dev_priv; | |
1207 | struct { | |
1208 | SVGA3dCmdHeader header; | |
1209 | SVGA3dCmdBindGBSurface body; | |
1210 | } *cmd1; | |
1211 | struct { | |
1212 | SVGA3dCmdHeader header; | |
1213 | SVGA3dCmdUpdateGBSurface body; | |
1214 | } *cmd2; | |
1215 | uint32_t submit_size; | |
1216 | struct ttm_buffer_object *bo = val_buf->bo; | |
1217 | ||
1218 | BUG_ON(bo->mem.mem_type != VMW_PL_MOB); | |
1219 | ||
1220 | submit_size = sizeof(*cmd1) + (res->backup_dirty ? sizeof(*cmd2) : 0); | |
1221 | ||
11c45419 DR |
1222 | cmd1 = VMW_FIFO_RESERVE(dev_priv, submit_size); |
1223 | if (unlikely(!cmd1)) | |
a97e2192 | 1224 | return -ENOMEM; |
a97e2192 TH |
1225 | |
1226 | cmd1->header.id = SVGA_3D_CMD_BIND_GB_SURFACE; | |
1227 | cmd1->header.size = sizeof(cmd1->body); | |
1228 | cmd1->body.sid = res->id; | |
1229 | cmd1->body.mobid = bo->mem.start; | |
1230 | if (res->backup_dirty) { | |
1231 | cmd2 = (void *) &cmd1[1]; | |
1232 | cmd2->header.id = SVGA_3D_CMD_UPDATE_GB_SURFACE; | |
1233 | cmd2->header.size = sizeof(cmd2->body); | |
1234 | cmd2->body.sid = res->id; | |
a97e2192 TH |
1235 | } |
1236 | vmw_fifo_commit(dev_priv, submit_size); | |
1237 | ||
9ca7d19f TH |
1238 | if (res->backup->dirty && res->backup_dirty) { |
1239 | /* We've just made a full upload. Cear dirty regions. */ | |
1240 | vmw_bo_dirty_clear_res(res); | |
1241 | } | |
1242 | ||
1243 | res->backup_dirty = false; | |
1244 | ||
a97e2192 TH |
1245 | return 0; |
1246 | } | |
1247 | ||
1248 | static int vmw_gb_surface_unbind(struct vmw_resource *res, | |
1249 | bool readback, | |
1250 | struct ttm_validate_buffer *val_buf) | |
1251 | { | |
1252 | struct vmw_private *dev_priv = res->dev_priv; | |
1253 | struct ttm_buffer_object *bo = val_buf->bo; | |
1254 | struct vmw_fence_obj *fence; | |
1255 | ||
1256 | struct { | |
1257 | SVGA3dCmdHeader header; | |
1258 | SVGA3dCmdReadbackGBSurface body; | |
1259 | } *cmd1; | |
1260 | struct { | |
1261 | SVGA3dCmdHeader header; | |
1985f999 | 1262 | SVGA3dCmdInvalidateGBSurface body; |
a97e2192 | 1263 | } *cmd2; |
1985f999 JB |
1264 | struct { |
1265 | SVGA3dCmdHeader header; | |
1266 | SVGA3dCmdBindGBSurface body; | |
1267 | } *cmd3; | |
a97e2192 TH |
1268 | uint32_t submit_size; |
1269 | uint8_t *cmd; | |
1270 | ||
1271 | ||
1272 | BUG_ON(bo->mem.mem_type != VMW_PL_MOB); | |
1273 | ||
1985f999 | 1274 | submit_size = sizeof(*cmd3) + (readback ? sizeof(*cmd1) : sizeof(*cmd2)); |
11c45419 DR |
1275 | cmd = VMW_FIFO_RESERVE(dev_priv, submit_size); |
1276 | if (unlikely(!cmd)) | |
a97e2192 | 1277 | return -ENOMEM; |
a97e2192 | 1278 | |
a97e2192 TH |
1279 | if (readback) { |
1280 | cmd1 = (void *) cmd; | |
1281 | cmd1->header.id = SVGA_3D_CMD_READBACK_GB_SURFACE; | |
1282 | cmd1->header.size = sizeof(cmd1->body); | |
1283 | cmd1->body.sid = res->id; | |
1985f999 JB |
1284 | cmd3 = (void *) &cmd1[1]; |
1285 | } else { | |
1286 | cmd2 = (void *) cmd; | |
1287 | cmd2->header.id = SVGA_3D_CMD_INVALIDATE_GB_SURFACE; | |
1288 | cmd2->header.size = sizeof(cmd2->body); | |
1289 | cmd2->body.sid = res->id; | |
1290 | cmd3 = (void *) &cmd2[1]; | |
a97e2192 | 1291 | } |
1985f999 JB |
1292 | |
1293 | cmd3->header.id = SVGA_3D_CMD_BIND_GB_SURFACE; | |
1294 | cmd3->header.size = sizeof(cmd3->body); | |
1295 | cmd3->body.sid = res->id; | |
1296 | cmd3->body.mobid = SVGA3D_INVALID_ID; | |
a97e2192 TH |
1297 | |
1298 | vmw_fifo_commit(dev_priv, submit_size); | |
1299 | ||
1300 | /* | |
1301 | * Create a fence object and fence the backup buffer. | |
1302 | */ | |
1303 | ||
1304 | (void) vmw_execbuf_fence_commands(NULL, dev_priv, | |
1305 | &fence, NULL); | |
1306 | ||
e9431ea5 | 1307 | vmw_bo_fence_single(val_buf->bo, fence); |
a97e2192 TH |
1308 | |
1309 | if (likely(fence != NULL)) | |
1310 | vmw_fence_obj_unreference(&fence); | |
1311 | ||
1312 | return 0; | |
1313 | } | |
1314 | ||
1315 | static int vmw_gb_surface_destroy(struct vmw_resource *res) | |
1316 | { | |
1317 | struct vmw_private *dev_priv = res->dev_priv; | |
d80efd5c | 1318 | struct vmw_surface *srf = vmw_res_to_srf(res); |
a97e2192 TH |
1319 | struct { |
1320 | SVGA3dCmdHeader header; | |
1321 | SVGA3dCmdDestroyGBSurface body; | |
1322 | } *cmd; | |
1323 | ||
1324 | if (likely(res->id == -1)) | |
1325 | return 0; | |
1326 | ||
173fb7d4 | 1327 | mutex_lock(&dev_priv->binding_mutex); |
d80efd5c TH |
1328 | vmw_view_surface_list_destroy(dev_priv, &srf->view_list); |
1329 | vmw_binding_res_list_scrub(&res->binding_head); | |
173fb7d4 | 1330 | |
11c45419 | 1331 | cmd = VMW_FIFO_RESERVE(dev_priv, sizeof(*cmd)); |
862f6157 | 1332 | if (unlikely(!cmd)) { |
3e894a62 | 1333 | mutex_unlock(&dev_priv->binding_mutex); |
a97e2192 TH |
1334 | return -ENOMEM; |
1335 | } | |
1336 | ||
1337 | cmd->header.id = SVGA_3D_CMD_DESTROY_GB_SURFACE; | |
1338 | cmd->header.size = sizeof(cmd->body); | |
1339 | cmd->body.sid = res->id; | |
1340 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
173fb7d4 | 1341 | mutex_unlock(&dev_priv->binding_mutex); |
a97e2192 | 1342 | vmw_resource_release_id(res); |
153b3d5b | 1343 | vmw_fifo_resource_dec(dev_priv); |
a97e2192 TH |
1344 | |
1345 | return 0; | |
1346 | } | |
1347 | ||
1348 | /** | |
1349 | * vmw_gb_surface_define_ioctl - Ioctl function implementing | |
14b1c33e | 1350 | * the user surface define functionality. |
a97e2192 | 1351 | * |
14b1c33e DR |
1352 | * @dev: Pointer to a struct drm_device. |
1353 | * @data: Pointer to data copied from / to user-space. | |
1354 | * @file_priv: Pointer to a drm file private structure. | |
a97e2192 TH |
1355 | */ |
1356 | int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, | |
1357 | struct drm_file *file_priv) | |
1358 | { | |
a97e2192 TH |
1359 | union drm_vmw_gb_surface_create_arg *arg = |
1360 | (union drm_vmw_gb_surface_create_arg *)data; | |
a97e2192 | 1361 | struct drm_vmw_gb_surface_create_rep *rep = &arg->rep; |
14b1c33e | 1362 | struct drm_vmw_gb_surface_create_ext_req req_ext; |
a97e2192 | 1363 | |
14b1c33e DR |
1364 | req_ext.base = arg->req; |
1365 | req_ext.version = drm_vmw_gb_surface_v1; | |
1366 | req_ext.svga3d_flags_upper_32_bits = 0; | |
1367 | req_ext.multisample_pattern = SVGA3D_MS_PATTERN_NONE; | |
1368 | req_ext.quality_level = SVGA3D_MS_QUALITY_NONE; | |
2a50f06d | 1369 | req_ext.buffer_byte_stride = 0; |
14b1c33e | 1370 | req_ext.must_be_zero = 0; |
a97e2192 | 1371 | |
14b1c33e | 1372 | return vmw_gb_surface_define_internal(dev, &req_ext, rep, file_priv); |
a97e2192 TH |
1373 | } |
1374 | ||
1375 | /** | |
1376 | * vmw_gb_surface_reference_ioctl - Ioctl function implementing | |
14b1c33e | 1377 | * the user surface reference functionality. |
a97e2192 | 1378 | * |
14b1c33e DR |
1379 | * @dev: Pointer to a struct drm_device. |
1380 | * @data: Pointer to data copied from / to user-space. | |
1381 | * @file_priv: Pointer to a drm file private structure. | |
a97e2192 TH |
1382 | */ |
1383 | int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, | |
1384 | struct drm_file *file_priv) | |
1385 | { | |
a97e2192 TH |
1386 | union drm_vmw_gb_surface_reference_arg *arg = |
1387 | (union drm_vmw_gb_surface_reference_arg *)data; | |
1388 | struct drm_vmw_surface_arg *req = &arg->req; | |
1389 | struct drm_vmw_gb_surface_ref_rep *rep = &arg->rep; | |
14b1c33e DR |
1390 | struct drm_vmw_gb_surface_ref_ext_rep rep_ext; |
1391 | int ret; | |
1392 | ||
1393 | ret = vmw_gb_surface_reference_internal(dev, req, &rep_ext, file_priv); | |
a97e2192 | 1394 | |
adebcb20 TH |
1395 | if (unlikely(ret != 0)) |
1396 | return ret; | |
a97e2192 | 1397 | |
14b1c33e DR |
1398 | rep->creq = rep_ext.creq.base; |
1399 | rep->crep = rep_ext.crep; | |
a97e2192 TH |
1400 | |
1401 | return ret; | |
1402 | } | |
233826a7 | 1403 | |
14b1c33e DR |
1404 | /** |
1405 | * vmw_gb_surface_define_ext_ioctl - Ioctl function implementing | |
1406 | * the user surface define functionality. | |
1407 | * | |
1408 | * @dev: Pointer to a struct drm_device. | |
1409 | * @data: Pointer to data copied from / to user-space. | |
1410 | * @file_priv: Pointer to a drm file private structure. | |
1411 | */ | |
1412 | int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, void *data, | |
1413 | struct drm_file *file_priv) | |
1414 | { | |
1415 | union drm_vmw_gb_surface_create_ext_arg *arg = | |
1416 | (union drm_vmw_gb_surface_create_ext_arg *)data; | |
1417 | struct drm_vmw_gb_surface_create_ext_req *req = &arg->req; | |
1418 | struct drm_vmw_gb_surface_create_rep *rep = &arg->rep; | |
1419 | ||
1420 | return vmw_gb_surface_define_internal(dev, req, rep, file_priv); | |
1421 | } | |
1422 | ||
1423 | /** | |
1424 | * vmw_gb_surface_reference_ext_ioctl - Ioctl function implementing | |
1425 | * the user surface reference functionality. | |
1426 | * | |
1427 | * @dev: Pointer to a struct drm_device. | |
1428 | * @data: Pointer to data copied from / to user-space. | |
1429 | * @file_priv: Pointer to a drm file private structure. | |
1430 | */ | |
1431 | int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, void *data, | |
1432 | struct drm_file *file_priv) | |
1433 | { | |
1434 | union drm_vmw_gb_surface_reference_ext_arg *arg = | |
1435 | (union drm_vmw_gb_surface_reference_ext_arg *)data; | |
1436 | struct drm_vmw_surface_arg *req = &arg->req; | |
1437 | struct drm_vmw_gb_surface_ref_ext_rep *rep = &arg->rep; | |
1438 | ||
1439 | return vmw_gb_surface_reference_internal(dev, req, rep, file_priv); | |
1440 | } | |
1441 | ||
1442 | /** | |
1443 | * vmw_gb_surface_define_internal - Ioctl function implementing | |
1444 | * the user surface define functionality. | |
1445 | * | |
1446 | * @dev: Pointer to a struct drm_device. | |
1447 | * @req: Request argument from user-space. | |
1448 | * @rep: Response argument to user-space. | |
1449 | * @file_priv: Pointer to a drm file private structure. | |
1450 | */ | |
1451 | static int | |
1452 | vmw_gb_surface_define_internal(struct drm_device *dev, | |
1453 | struct drm_vmw_gb_surface_create_ext_req *req, | |
1454 | struct drm_vmw_gb_surface_create_rep *rep, | |
1455 | struct drm_file *file_priv) | |
1456 | { | |
504901db | 1457 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; |
14b1c33e DR |
1458 | struct vmw_private *dev_priv = vmw_priv(dev); |
1459 | struct vmw_user_surface *user_srf; | |
504901db | 1460 | struct vmw_surface_metadata metadata = {0}; |
14b1c33e DR |
1461 | struct vmw_surface *srf; |
1462 | struct vmw_resource *res; | |
1463 | struct vmw_resource *tmp; | |
504901db | 1464 | int ret = 0; |
14b1c33e DR |
1465 | uint32_t size; |
1466 | uint32_t backup_handle = 0; | |
1467 | SVGA3dSurfaceAllFlags svga3d_flags_64 = | |
1468 | SVGA3D_FLAGS_64(req->svga3d_flags_upper_32_bits, | |
1469 | req->base.svga3d_flags); | |
1470 | ||
504901db DR |
1471 | /* array_size must be null for non-GL3 host. */ |
1472 | if (req->base.array_size > 0 && !has_sm4_context(dev_priv)) { | |
1473 | VMW_DEBUG_USER("SM4 surface not supported.\n"); | |
1474 | return -EINVAL; | |
1475 | } | |
1476 | ||
878c6ecd | 1477 | if (!has_sm4_1_context(dev_priv)) { |
14b1c33e | 1478 | if (req->svga3d_flags_upper_32_bits != 0) |
504901db | 1479 | ret = -EINVAL; |
14b1c33e DR |
1480 | |
1481 | if (req->base.multisample_count != 0) | |
504901db | 1482 | ret = -EINVAL; |
14b1c33e DR |
1483 | |
1484 | if (req->multisample_pattern != SVGA3D_MS_PATTERN_NONE) | |
504901db | 1485 | ret = -EINVAL; |
14b1c33e DR |
1486 | |
1487 | if (req->quality_level != SVGA3D_MS_QUALITY_NONE) | |
504901db DR |
1488 | ret = -EINVAL; |
1489 | ||
1490 | if (ret) { | |
1491 | VMW_DEBUG_USER("SM4.1 surface not supported.\n"); | |
1492 | return ret; | |
1493 | } | |
14b1c33e DR |
1494 | } |
1495 | ||
2a50f06d DR |
1496 | if (req->buffer_byte_stride > 0 && !has_sm5_context(dev_priv)) { |
1497 | VMW_DEBUG_USER("SM5 surface not supported.\n"); | |
1498 | return -EINVAL; | |
1499 | } | |
1500 | ||
f9261b30 | 1501 | if ((svga3d_flags_64 & SVGA3D_SURFACE_MULTISAMPLE) && |
504901db DR |
1502 | req->base.multisample_count == 0) { |
1503 | VMW_DEBUG_USER("Invalid sample count.\n"); | |
f9261b30 | 1504 | return -EINVAL; |
504901db | 1505 | } |
f9261b30 | 1506 | |
504901db DR |
1507 | if (req->base.mip_levels > DRM_VMW_MAX_MIP_LEVELS) { |
1508 | VMW_DEBUG_USER("Invalid mip level.\n"); | |
14b1c33e | 1509 | return -EINVAL; |
504901db | 1510 | } |
14b1c33e DR |
1511 | |
1512 | if (unlikely(vmw_user_surface_size == 0)) | |
1513 | vmw_user_surface_size = ttm_round_pot(sizeof(*user_srf)) + | |
c7eae626 | 1514 | VMW_IDA_ACC_SIZE + TTM_OBJ_EXTRA_SIZE; |
14b1c33e | 1515 | |
c7eae626 | 1516 | size = vmw_user_surface_size; |
14b1c33e | 1517 | |
504901db DR |
1518 | metadata.flags = svga3d_flags_64; |
1519 | metadata.format = req->base.format; | |
1520 | metadata.mip_levels[0] = req->base.mip_levels; | |
1521 | metadata.multisample_count = req->base.multisample_count; | |
1522 | metadata.multisample_pattern = req->multisample_pattern; | |
1523 | metadata.quality_level = req->quality_level; | |
1524 | metadata.array_size = req->base.array_size; | |
2a50f06d | 1525 | metadata.buffer_byte_stride = req->buffer_byte_stride; |
504901db DR |
1526 | metadata.num_sizes = 1; |
1527 | metadata.base_size = req->base.base_size; | |
1528 | metadata.scanout = req->base.drm_surface_flags & | |
1529 | drm_vmw_surface_flag_scanout; | |
1530 | ||
14b1c33e | 1531 | /* Define a surface based on the parameters. */ |
504901db DR |
1532 | ret = vmw_gb_surface_define(dev_priv, size, &metadata, &srf); |
1533 | if (ret != 0) { | |
1534 | VMW_DEBUG_USER("Failed to define surface.\n"); | |
14b1c33e | 1535 | return ret; |
504901db | 1536 | } |
14b1c33e DR |
1537 | |
1538 | user_srf = container_of(srf, struct vmw_user_surface, srf); | |
1539 | if (drm_is_primary_client(file_priv)) | |
1540 | user_srf->master = drm_master_get(file_priv->master); | |
1541 | ||
1542 | ret = ttm_read_lock(&dev_priv->reservation_sem, true); | |
1543 | if (unlikely(ret != 0)) | |
1544 | return ret; | |
1545 | ||
1546 | res = &user_srf->srf.res; | |
1547 | ||
1548 | if (req->base.buffer_handle != SVGA3D_INVALID_ID) { | |
1549 | ret = vmw_user_bo_lookup(tfile, req->base.buffer_handle, | |
1550 | &res->backup, | |
1551 | &user_srf->backup_base); | |
1552 | if (ret == 0) { | |
1553 | if (res->backup->base.num_pages * PAGE_SIZE < | |
1554 | res->backup_size) { | |
5724f899 | 1555 | VMW_DEBUG_USER("Surface backup buffer too small.\n"); |
14b1c33e DR |
1556 | vmw_bo_unreference(&res->backup); |
1557 | ret = -EINVAL; | |
1558 | goto out_unlock; | |
1559 | } else { | |
1560 | backup_handle = req->base.buffer_handle; | |
1561 | } | |
1562 | } | |
1563 | } else if (req->base.drm_surface_flags & | |
9ca7d19f TH |
1564 | (drm_vmw_surface_flag_create_buffer | |
1565 | drm_vmw_surface_flag_coherent)) | |
14b1c33e DR |
1566 | ret = vmw_user_bo_alloc(dev_priv, tfile, |
1567 | res->backup_size, | |
1568 | req->base.drm_surface_flags & | |
1569 | drm_vmw_surface_flag_shareable, | |
1570 | &backup_handle, | |
1571 | &res->backup, | |
1572 | &user_srf->backup_base); | |
1573 | ||
1574 | if (unlikely(ret != 0)) { | |
1575 | vmw_resource_unreference(&res); | |
1576 | goto out_unlock; | |
1577 | } | |
1578 | ||
9ca7d19f TH |
1579 | if (req->base.drm_surface_flags & drm_vmw_surface_flag_coherent) { |
1580 | struct vmw_buffer_object *backup = res->backup; | |
1581 | ||
1582 | ttm_bo_reserve(&backup->base, false, false, NULL); | |
1583 | if (!res->func->dirty_alloc) | |
1584 | ret = -EINVAL; | |
1585 | if (!ret) | |
1586 | ret = vmw_bo_dirty_add(backup); | |
1587 | if (!ret) { | |
1588 | res->coherent = true; | |
1589 | ret = res->func->dirty_alloc(res); | |
1590 | } | |
1591 | ttm_bo_unreserve(&backup->base); | |
1592 | if (ret) { | |
1593 | vmw_resource_unreference(&res); | |
1594 | goto out_unlock; | |
1595 | } | |
1596 | ||
1597 | } | |
1598 | ||
14b1c33e DR |
1599 | tmp = vmw_resource_reference(res); |
1600 | ret = ttm_prime_object_init(tfile, res->backup_size, &user_srf->prime, | |
1601 | req->base.drm_surface_flags & | |
1602 | drm_vmw_surface_flag_shareable, | |
1603 | VMW_RES_SURFACE, | |
1604 | &vmw_user_surface_base_release, NULL); | |
1605 | ||
1606 | if (unlikely(ret != 0)) { | |
1607 | vmw_resource_unreference(&tmp); | |
1608 | vmw_resource_unreference(&res); | |
1609 | goto out_unlock; | |
1610 | } | |
1611 | ||
c7eae626 | 1612 | rep->handle = user_srf->prime.base.handle; |
14b1c33e DR |
1613 | rep->backup_size = res->backup_size; |
1614 | if (res->backup) { | |
1615 | rep->buffer_map_handle = | |
b96f3e7c | 1616 | drm_vma_node_offset_addr(&res->backup->base.base.vma_node); |
14b1c33e DR |
1617 | rep->buffer_size = res->backup->base.num_pages * PAGE_SIZE; |
1618 | rep->buffer_handle = backup_handle; | |
1619 | } else { | |
1620 | rep->buffer_map_handle = 0; | |
1621 | rep->buffer_size = 0; | |
1622 | rep->buffer_handle = SVGA3D_INVALID_ID; | |
1623 | } | |
1624 | ||
1625 | vmw_resource_unreference(&res); | |
1626 | ||
1627 | out_unlock: | |
1628 | ttm_read_unlock(&dev_priv->reservation_sem); | |
1629 | return ret; | |
1630 | } | |
1631 | ||
1632 | /** | |
1633 | * vmw_gb_surface_reference_internal - Ioctl function implementing | |
1634 | * the user surface reference functionality. | |
1635 | * | |
1636 | * @dev: Pointer to a struct drm_device. | |
1637 | * @req: Pointer to user-space request surface arg. | |
1638 | * @rep: Pointer to response to user-space. | |
1639 | * @file_priv: Pointer to a drm file private structure. | |
1640 | */ | |
1641 | static int | |
1642 | vmw_gb_surface_reference_internal(struct drm_device *dev, | |
1643 | struct drm_vmw_surface_arg *req, | |
1644 | struct drm_vmw_gb_surface_ref_ext_rep *rep, | |
1645 | struct drm_file *file_priv) | |
1646 | { | |
1647 | struct vmw_private *dev_priv = vmw_priv(dev); | |
1648 | struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; | |
1649 | struct vmw_surface *srf; | |
1650 | struct vmw_user_surface *user_srf; | |
26b82873 | 1651 | struct vmw_surface_metadata *metadata; |
14b1c33e DR |
1652 | struct ttm_base_object *base; |
1653 | uint32_t backup_handle; | |
c594285f | 1654 | int ret; |
14b1c33e DR |
1655 | |
1656 | ret = vmw_surface_handle_reference(dev_priv, file_priv, req->sid, | |
1657 | req->handle_type, &base); | |
1658 | if (unlikely(ret != 0)) | |
1659 | return ret; | |
1660 | ||
1661 | user_srf = container_of(base, struct vmw_user_surface, prime.base); | |
1662 | srf = &user_srf->srf; | |
1663 | if (!srf->res.backup) { | |
1664 | DRM_ERROR("Shared GB surface is missing a backup buffer.\n"); | |
1665 | goto out_bad_resource; | |
1666 | } | |
26b82873 | 1667 | metadata = &srf->metadata; |
14b1c33e DR |
1668 | |
1669 | mutex_lock(&dev_priv->cmdbuf_mutex); /* Protect res->backup */ | |
1670 | ret = vmw_user_bo_reference(tfile, srf->res.backup, &backup_handle); | |
1671 | mutex_unlock(&dev_priv->cmdbuf_mutex); | |
1672 | ||
1673 | if (unlikely(ret != 0)) { | |
1674 | DRM_ERROR("Could not add a reference to a GB surface " | |
1675 | "backup buffer.\n"); | |
c7eae626 | 1676 | (void) ttm_ref_object_base_unref(tfile, base->handle, |
14b1c33e DR |
1677 | TTM_REF_USAGE); |
1678 | goto out_bad_resource; | |
1679 | } | |
1680 | ||
26b82873 DR |
1681 | rep->creq.base.svga3d_flags = SVGA3D_FLAGS_LOWER_32(metadata->flags); |
1682 | rep->creq.base.format = metadata->format; | |
1683 | rep->creq.base.mip_levels = metadata->mip_levels[0]; | |
14b1c33e | 1684 | rep->creq.base.drm_surface_flags = 0; |
26b82873 DR |
1685 | rep->creq.base.multisample_count = metadata->multisample_count; |
1686 | rep->creq.base.autogen_filter = metadata->autogen_filter; | |
1687 | rep->creq.base.array_size = metadata->array_size; | |
14b1c33e | 1688 | rep->creq.base.buffer_handle = backup_handle; |
26b82873 | 1689 | rep->creq.base.base_size = metadata->base_size; |
c7eae626 | 1690 | rep->crep.handle = user_srf->prime.base.handle; |
14b1c33e DR |
1691 | rep->crep.backup_size = srf->res.backup_size; |
1692 | rep->crep.buffer_handle = backup_handle; | |
1693 | rep->crep.buffer_map_handle = | |
b96f3e7c | 1694 | drm_vma_node_offset_addr(&srf->res.backup->base.base.vma_node); |
14b1c33e DR |
1695 | rep->crep.buffer_size = srf->res.backup->base.num_pages * PAGE_SIZE; |
1696 | ||
1697 | rep->creq.version = drm_vmw_gb_surface_v1; | |
1698 | rep->creq.svga3d_flags_upper_32_bits = | |
26b82873 DR |
1699 | SVGA3D_FLAGS_UPPER_32(metadata->flags); |
1700 | rep->creq.multisample_pattern = metadata->multisample_pattern; | |
1701 | rep->creq.quality_level = metadata->quality_level; | |
14b1c33e DR |
1702 | rep->creq.must_be_zero = 0; |
1703 | ||
1704 | out_bad_resource: | |
1705 | ttm_base_object_unref(&base); | |
1706 | ||
1707 | return ret; | |
1708 | } | |
9ca7d19f TH |
1709 | |
1710 | /** | |
1711 | * vmw_subres_dirty_add - Add a dirty region to a subresource | |
1712 | * @dirty: The surfaces's dirty tracker. | |
1713 | * @loc_start: The location corresponding to the start of the region. | |
1714 | * @loc_end: The location corresponding to the end of the region. | |
1715 | * | |
1716 | * As we are assuming that @loc_start and @loc_end represent a sequential | |
1717 | * range of backing store memory, if the region spans multiple lines then | |
1718 | * regardless of the x coordinate, the full lines are dirtied. | |
1719 | * Correspondingly if the region spans multiple z slices, then full rather | |
1720 | * than partial z slices are dirtied. | |
1721 | */ | |
1722 | static void vmw_subres_dirty_add(struct vmw_surface_dirty *dirty, | |
1723 | const struct svga3dsurface_loc *loc_start, | |
1724 | const struct svga3dsurface_loc *loc_end) | |
1725 | { | |
1726 | const struct svga3dsurface_cache *cache = &dirty->cache; | |
1727 | SVGA3dBox *box = &dirty->boxes[loc_start->sub_resource]; | |
1728 | u32 mip = loc_start->sub_resource % cache->num_mip_levels; | |
1729 | const struct drm_vmw_size *size = &cache->mip[mip].size; | |
1730 | u32 box_c2 = box->z + box->d; | |
1731 | ||
1732 | if (WARN_ON(loc_start->sub_resource >= dirty->num_subres)) | |
1733 | return; | |
1734 | ||
1735 | if (box->d == 0 || box->z > loc_start->z) | |
1736 | box->z = loc_start->z; | |
1737 | if (box_c2 < loc_end->z) | |
1738 | box->d = loc_end->z - box->z; | |
1739 | ||
1740 | if (loc_start->z + 1 == loc_end->z) { | |
1741 | box_c2 = box->y + box->h; | |
1742 | if (box->h == 0 || box->y > loc_start->y) | |
1743 | box->y = loc_start->y; | |
1744 | if (box_c2 < loc_end->y) | |
1745 | box->h = loc_end->y - box->y; | |
1746 | ||
1747 | if (loc_start->y + 1 == loc_end->y) { | |
1748 | box_c2 = box->x + box->w; | |
1749 | if (box->w == 0 || box->x > loc_start->x) | |
1750 | box->x = loc_start->x; | |
1751 | if (box_c2 < loc_end->x) | |
1752 | box->w = loc_end->x - box->x; | |
1753 | } else { | |
1754 | box->x = 0; | |
1755 | box->w = size->width; | |
1756 | } | |
1757 | } else { | |
1758 | box->y = 0; | |
1759 | box->h = size->height; | |
1760 | box->x = 0; | |
1761 | box->w = size->width; | |
1762 | } | |
1763 | } | |
1764 | ||
1765 | /** | |
1766 | * vmw_subres_dirty_full - Mark a full subresource as dirty | |
1767 | * @dirty: The surface's dirty tracker. | |
1768 | * @subres: The subresource | |
1769 | */ | |
1770 | static void vmw_subres_dirty_full(struct vmw_surface_dirty *dirty, u32 subres) | |
1771 | { | |
1772 | const struct svga3dsurface_cache *cache = &dirty->cache; | |
1773 | u32 mip = subres % cache->num_mip_levels; | |
1774 | const struct drm_vmw_size *size = &cache->mip[mip].size; | |
1775 | SVGA3dBox *box = &dirty->boxes[subres]; | |
1776 | ||
1777 | box->x = 0; | |
1778 | box->y = 0; | |
1779 | box->z = 0; | |
1780 | box->w = size->width; | |
1781 | box->h = size->height; | |
1782 | box->d = size->depth; | |
1783 | } | |
1784 | ||
1785 | /* | |
1786 | * vmw_surface_tex_dirty_add_range - The dirty_add_range callback for texture | |
1787 | * surfaces. | |
1788 | */ | |
1789 | static void vmw_surface_tex_dirty_range_add(struct vmw_resource *res, | |
1790 | size_t start, size_t end) | |
1791 | { | |
1792 | struct vmw_surface_dirty *dirty = | |
1793 | (struct vmw_surface_dirty *) res->dirty; | |
1794 | size_t backup_end = res->backup_offset + res->backup_size; | |
1795 | struct svga3dsurface_loc loc1, loc2; | |
1796 | const struct svga3dsurface_cache *cache; | |
1797 | ||
1798 | start = max_t(size_t, start, res->backup_offset) - res->backup_offset; | |
1799 | end = min(end, backup_end) - res->backup_offset; | |
1800 | cache = &dirty->cache; | |
1801 | svga3dsurface_get_loc(cache, &loc1, start); | |
1802 | svga3dsurface_get_loc(cache, &loc2, end - 1); | |
1803 | svga3dsurface_inc_loc(cache, &loc2); | |
1804 | ||
1805 | if (loc1.sub_resource + 1 == loc2.sub_resource) { | |
1806 | /* Dirty range covers a single sub-resource */ | |
1807 | vmw_subres_dirty_add(dirty, &loc1, &loc2); | |
1808 | } else { | |
1809 | /* Dirty range covers multiple sub-resources */ | |
1810 | struct svga3dsurface_loc loc_min, loc_max; | |
1811 | u32 sub_res; | |
1812 | ||
1813 | svga3dsurface_max_loc(cache, loc1.sub_resource, &loc_max); | |
1814 | vmw_subres_dirty_add(dirty, &loc1, &loc_max); | |
1815 | svga3dsurface_min_loc(cache, loc2.sub_resource - 1, &loc_min); | |
1816 | vmw_subres_dirty_add(dirty, &loc_min, &loc2); | |
1817 | for (sub_res = loc1.sub_resource + 1; | |
1818 | sub_res < loc2.sub_resource - 1; ++sub_res) | |
1819 | vmw_subres_dirty_full(dirty, sub_res); | |
1820 | } | |
1821 | } | |
1822 | ||
1823 | /* | |
1824 | * vmw_surface_tex_dirty_add_range - The dirty_add_range callback for buffer | |
1825 | * surfaces. | |
1826 | */ | |
1827 | static void vmw_surface_buf_dirty_range_add(struct vmw_resource *res, | |
1828 | size_t start, size_t end) | |
1829 | { | |
1830 | struct vmw_surface_dirty *dirty = | |
1831 | (struct vmw_surface_dirty *) res->dirty; | |
1832 | const struct svga3dsurface_cache *cache = &dirty->cache; | |
1833 | size_t backup_end = res->backup_offset + cache->mip_chain_bytes; | |
1834 | SVGA3dBox *box = &dirty->boxes[0]; | |
1835 | u32 box_c2; | |
1836 | ||
1837 | box->h = box->d = 1; | |
1838 | start = max_t(size_t, start, res->backup_offset) - res->backup_offset; | |
1839 | end = min(end, backup_end) - res->backup_offset; | |
1840 | box_c2 = box->x + box->w; | |
1841 | if (box->w == 0 || box->x > start) | |
1842 | box->x = start; | |
1843 | if (box_c2 < end) | |
1844 | box->w = end - box->x; | |
1845 | } | |
1846 | ||
1847 | /* | |
1848 | * vmw_surface_tex_dirty_add_range - The dirty_add_range callback for surfaces | |
1849 | */ | |
1850 | static void vmw_surface_dirty_range_add(struct vmw_resource *res, size_t start, | |
1851 | size_t end) | |
1852 | { | |
1853 | struct vmw_surface *srf = vmw_res_to_srf(res); | |
1854 | ||
1855 | if (WARN_ON(end <= res->backup_offset || | |
1856 | start >= res->backup_offset + res->backup_size)) | |
1857 | return; | |
1858 | ||
26b82873 | 1859 | if (srf->metadata.format == SVGA3D_BUFFER) |
9ca7d19f TH |
1860 | vmw_surface_buf_dirty_range_add(res, start, end); |
1861 | else | |
1862 | vmw_surface_tex_dirty_range_add(res, start, end); | |
1863 | } | |
1864 | ||
1865 | /* | |
1866 | * vmw_surface_dirty_sync - The surface's dirty_sync callback. | |
1867 | */ | |
1868 | static int vmw_surface_dirty_sync(struct vmw_resource *res) | |
1869 | { | |
1870 | struct vmw_private *dev_priv = res->dev_priv; | |
1871 | bool has_dx = 0; | |
1872 | u32 i, num_dirty; | |
1873 | struct vmw_surface_dirty *dirty = | |
1874 | (struct vmw_surface_dirty *) res->dirty; | |
1875 | size_t alloc_size; | |
1876 | const struct svga3dsurface_cache *cache = &dirty->cache; | |
1877 | struct { | |
1878 | SVGA3dCmdHeader header; | |
1879 | SVGA3dCmdDXUpdateSubResource body; | |
1880 | } *cmd1; | |
1881 | struct { | |
1882 | SVGA3dCmdHeader header; | |
1883 | SVGA3dCmdUpdateGBImage body; | |
1884 | } *cmd2; | |
1885 | void *cmd; | |
1886 | ||
1887 | num_dirty = 0; | |
1888 | for (i = 0; i < dirty->num_subres; ++i) { | |
1889 | const SVGA3dBox *box = &dirty->boxes[i]; | |
1890 | ||
1891 | if (box->d) | |
1892 | num_dirty++; | |
1893 | } | |
1894 | ||
1895 | if (!num_dirty) | |
1896 | goto out; | |
1897 | ||
1898 | alloc_size = num_dirty * ((has_dx) ? sizeof(*cmd1) : sizeof(*cmd2)); | |
1899 | cmd = VMW_FIFO_RESERVE(dev_priv, alloc_size); | |
1900 | if (!cmd) | |
1901 | return -ENOMEM; | |
1902 | ||
1903 | cmd1 = cmd; | |
1904 | cmd2 = cmd; | |
1905 | ||
1906 | for (i = 0; i < dirty->num_subres; ++i) { | |
1907 | const SVGA3dBox *box = &dirty->boxes[i]; | |
1908 | ||
1909 | if (!box->d) | |
1910 | continue; | |
1911 | ||
1912 | /* | |
1913 | * DX_UPDATE_SUBRESOURCE is aware of array surfaces. | |
1914 | * UPDATE_GB_IMAGE is not. | |
1915 | */ | |
1916 | if (has_dx) { | |
1917 | cmd1->header.id = SVGA_3D_CMD_DX_UPDATE_SUBRESOURCE; | |
1918 | cmd1->header.size = sizeof(cmd1->body); | |
1919 | cmd1->body.sid = res->id; | |
1920 | cmd1->body.subResource = i; | |
1921 | cmd1->body.box = *box; | |
1922 | cmd1++; | |
1923 | } else { | |
1924 | cmd2->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE; | |
1925 | cmd2->header.size = sizeof(cmd2->body); | |
1926 | cmd2->body.image.sid = res->id; | |
1927 | cmd2->body.image.face = i / cache->num_mip_levels; | |
1928 | cmd2->body.image.mipmap = i - | |
1929 | (cache->num_mip_levels * cmd2->body.image.face); | |
1930 | cmd2->body.box = *box; | |
1931 | cmd2++; | |
1932 | } | |
1933 | ||
1934 | } | |
1935 | vmw_fifo_commit(dev_priv, alloc_size); | |
1936 | out: | |
1937 | memset(&dirty->boxes[0], 0, sizeof(dirty->boxes[0]) * | |
1938 | dirty->num_subres); | |
1939 | ||
1940 | return 0; | |
1941 | } | |
1942 | ||
1943 | /* | |
1944 | * vmw_surface_dirty_alloc - The surface's dirty_alloc callback. | |
1945 | */ | |
1946 | static int vmw_surface_dirty_alloc(struct vmw_resource *res) | |
1947 | { | |
1948 | struct vmw_surface *srf = vmw_res_to_srf(res); | |
26b82873 | 1949 | const struct vmw_surface_metadata *metadata = &srf->metadata; |
9ca7d19f TH |
1950 | struct vmw_surface_dirty *dirty; |
1951 | u32 num_layers = 1; | |
1952 | u32 num_mip; | |
1953 | u32 num_subres; | |
1954 | u32 num_samples; | |
1955 | size_t dirty_size, acc_size; | |
1956 | static struct ttm_operation_ctx ctx = { | |
1957 | .interruptible = false, | |
1958 | .no_wait_gpu = false | |
1959 | }; | |
1960 | int ret; | |
1961 | ||
26b82873 DR |
1962 | if (metadata->array_size) |
1963 | num_layers = metadata->array_size; | |
1964 | else if (metadata->flags & SVGA3D_SURFACE_CUBEMAP) | |
9ca7d19f TH |
1965 | num_layers *= SVGA3D_MAX_SURFACE_FACES; |
1966 | ||
26b82873 | 1967 | num_mip = metadata->mip_levels[0]; |
9ca7d19f TH |
1968 | if (!num_mip) |
1969 | num_mip = 1; | |
1970 | ||
1971 | num_subres = num_layers * num_mip; | |
1972 | dirty_size = sizeof(*dirty) + num_subres * sizeof(dirty->boxes[0]); | |
1973 | acc_size = ttm_round_pot(dirty_size); | |
1974 | ret = ttm_mem_global_alloc(vmw_mem_glob(res->dev_priv), | |
1975 | acc_size, &ctx); | |
1976 | if (ret) { | |
1977 | VMW_DEBUG_USER("Out of graphics memory for surface " | |
1978 | "dirty tracker.\n"); | |
1979 | return ret; | |
1980 | } | |
1981 | ||
1982 | dirty = kvzalloc(dirty_size, GFP_KERNEL); | |
1983 | if (!dirty) { | |
1984 | ret = -ENOMEM; | |
1985 | goto out_no_dirty; | |
1986 | } | |
1987 | ||
26b82873 DR |
1988 | num_samples = max_t(u32, 1, metadata->multisample_count); |
1989 | ret = svga3dsurface_setup_cache(&metadata->base_size, metadata->format, | |
1990 | num_mip, num_layers, num_samples, | |
1991 | &dirty->cache); | |
9ca7d19f TH |
1992 | if (ret) |
1993 | goto out_no_cache; | |
1994 | ||
1995 | dirty->num_subres = num_subres; | |
1996 | dirty->size = acc_size; | |
1997 | res->dirty = (struct vmw_resource_dirty *) dirty; | |
1998 | ||
1999 | return 0; | |
2000 | ||
2001 | out_no_cache: | |
2002 | kvfree(dirty); | |
2003 | out_no_dirty: | |
2004 | ttm_mem_global_free(vmw_mem_glob(res->dev_priv), acc_size); | |
2005 | return ret; | |
2006 | } | |
2007 | ||
2008 | /* | |
2009 | * vmw_surface_dirty_free - The surface's dirty_free callback | |
2010 | */ | |
2011 | static void vmw_surface_dirty_free(struct vmw_resource *res) | |
2012 | { | |
2013 | struct vmw_surface_dirty *dirty = | |
2014 | (struct vmw_surface_dirty *) res->dirty; | |
2015 | size_t acc_size = dirty->size; | |
2016 | ||
2017 | kvfree(dirty); | |
2018 | ttm_mem_global_free(vmw_mem_glob(res->dev_priv), acc_size); | |
2019 | res->dirty = NULL; | |
2020 | } | |
2021 | ||
2022 | /* | |
2023 | * vmw_surface_clean - The surface's clean callback | |
2024 | */ | |
2025 | static int vmw_surface_clean(struct vmw_resource *res) | |
2026 | { | |
2027 | struct vmw_private *dev_priv = res->dev_priv; | |
2028 | size_t alloc_size; | |
2029 | struct { | |
2030 | SVGA3dCmdHeader header; | |
2031 | SVGA3dCmdReadbackGBSurface body; | |
2032 | } *cmd; | |
2033 | ||
2034 | alloc_size = sizeof(*cmd); | |
2035 | cmd = VMW_FIFO_RESERVE(dev_priv, alloc_size); | |
2036 | if (!cmd) | |
2037 | return -ENOMEM; | |
2038 | ||
2039 | cmd->header.id = SVGA_3D_CMD_READBACK_GB_SURFACE; | |
2040 | cmd->header.size = sizeof(cmd->body); | |
2041 | cmd->body.sid = res->id; | |
2042 | vmw_fifo_commit(dev_priv, alloc_size); | |
2043 | ||
2044 | return 0; | |
2045 | } | |
504901db DR |
2046 | |
2047 | /* | |
2048 | * vmw_gb_surface_define - Define a private GB surface | |
2049 | * | |
2050 | * @dev_priv: Pointer to a device private. | |
2051 | * @user_accounting_size: Used to track user-space memory usage, set | |
2052 | * to 0 for kernel mode only memory | |
2053 | * @metadata: Metadata representing the surface to create. | |
2054 | * @user_srf_out: allocated user_srf. Set to NULL on failure. | |
2055 | * | |
2056 | * GB surfaces allocated by this function will not have a user mode handle, and | |
2057 | * thus will only be visible to vmwgfx. For optimization reasons the | |
2058 | * surface may later be given a user mode handle by another function to make | |
2059 | * it available to user mode drivers. | |
2060 | */ | |
2061 | int vmw_gb_surface_define(struct vmw_private *dev_priv, | |
2062 | uint32_t user_accounting_size, | |
2063 | const struct vmw_surface_metadata *req, | |
2064 | struct vmw_surface **srf_out) | |
2065 | { | |
2066 | struct vmw_surface_metadata *metadata; | |
2067 | struct vmw_user_surface *user_srf; | |
2068 | struct vmw_surface *srf; | |
2069 | struct ttm_operation_ctx ctx = { | |
2070 | .interruptible = true, | |
2071 | .no_wait_gpu = false | |
2072 | }; | |
2073 | u32 sample_count = 1; | |
2074 | u32 num_layers = 1; | |
2075 | int ret; | |
2076 | ||
2077 | *srf_out = NULL; | |
2078 | ||
2079 | if (req->scanout) { | |
2080 | if (!svga3dsurface_is_screen_target_format(req->format)) { | |
2081 | VMW_DEBUG_USER("Invalid Screen Target surface format."); | |
2082 | return -EINVAL; | |
2083 | } | |
2084 | ||
2085 | if (req->base_size.width > dev_priv->texture_max_width || | |
2086 | req->base_size.height > dev_priv->texture_max_height) { | |
2087 | VMW_DEBUG_USER("%ux%u\n, exceed max surface size %ux%u", | |
2088 | req->base_size.width, | |
2089 | req->base_size.height, | |
2090 | dev_priv->texture_max_width, | |
2091 | dev_priv->texture_max_height); | |
2092 | return -EINVAL; | |
2093 | } | |
2094 | } else { | |
2095 | const struct svga3d_surface_desc *desc = | |
2096 | svga3dsurface_get_desc(req->format); | |
2097 | ||
2098 | if (desc->block_desc == SVGA3DBLOCKDESC_NONE) { | |
2099 | VMW_DEBUG_USER("Invalid surface format.\n"); | |
2100 | return -EINVAL; | |
2101 | } | |
2102 | } | |
2103 | ||
2104 | if (req->autogen_filter != SVGA3D_TEX_FILTER_NONE) | |
2105 | return -EINVAL; | |
2106 | ||
2107 | if (req->num_sizes != 1) | |
2108 | return -EINVAL; | |
2109 | ||
2110 | if (req->sizes != NULL) | |
2111 | return -EINVAL; | |
2112 | ||
2113 | ret = ttm_read_lock(&dev_priv->reservation_sem, true); | |
2114 | if (unlikely(ret != 0)) | |
2115 | return ret; | |
2116 | ||
2117 | ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), | |
2118 | user_accounting_size, &ctx); | |
2119 | if (ret != 0) { | |
2120 | if (ret != -ERESTARTSYS) | |
2121 | DRM_ERROR("Out of graphics memory for surface.\n"); | |
2122 | goto out_unlock; | |
2123 | } | |
2124 | ||
2125 | user_srf = kzalloc(sizeof(*user_srf), GFP_KERNEL); | |
2126 | if (unlikely(!user_srf)) { | |
2127 | ret = -ENOMEM; | |
2128 | goto out_no_user_srf; | |
2129 | } | |
2130 | ||
2131 | *srf_out = &user_srf->srf; | |
2132 | user_srf->size = user_accounting_size; | |
2133 | user_srf->prime.base.shareable = false; | |
2134 | user_srf->prime.base.tfile = NULL; | |
2135 | ||
2136 | srf = &user_srf->srf; | |
2137 | srf->metadata = *req; | |
2138 | srf->offsets = NULL; | |
2139 | ||
2140 | metadata = &srf->metadata; | |
2141 | ||
2142 | if (metadata->array_size) | |
2143 | num_layers = req->array_size; | |
2144 | else if (metadata->flags & SVGA3D_SURFACE_CUBEMAP) | |
2145 | num_layers = SVGA3D_MAX_SURFACE_FACES; | |
2146 | ||
2147 | if (metadata->flags & SVGA3D_SURFACE_MULTISAMPLE) | |
2148 | sample_count = metadata->multisample_count; | |
2149 | ||
2150 | srf->res.backup_size = | |
2151 | svga3dsurface_get_serialized_size_extended(metadata->format, | |
2152 | metadata->base_size, | |
2153 | metadata->mip_levels[0], | |
2154 | num_layers, | |
2155 | sample_count); | |
2156 | ||
2157 | if (metadata->flags & SVGA3D_SURFACE_BIND_STREAM_OUTPUT) | |
2158 | srf->res.backup_size += sizeof(SVGA3dDXSOState); | |
2159 | ||
2160 | /* | |
2161 | * Don't set SVGA3D_SURFACE_SCREENTARGET flag for a scanout surface with | |
2162 | * size greater than STDU max width/height. This is really a workaround | |
2163 | * to support creation of big framebuffer requested by some user-space | |
2164 | * for whole topology. That big framebuffer won't really be used for | |
2165 | * binding with screen target as during prepare_fb a separate surface is | |
2166 | * created so it's safe to ignore SVGA3D_SURFACE_SCREENTARGET flag. | |
2167 | */ | |
2168 | if (dev_priv->active_display_unit == vmw_du_screen_target && | |
2169 | metadata->scanout && | |
2170 | metadata->base_size.width <= dev_priv->stdu_max_width && | |
2171 | metadata->base_size.height <= dev_priv->stdu_max_height) | |
2172 | metadata->flags |= SVGA3D_SURFACE_SCREENTARGET; | |
2173 | ||
2174 | /* | |
2175 | * From this point, the generic resource management functions | |
2176 | * destroy the object on failure. | |
2177 | */ | |
2178 | ret = vmw_surface_init(dev_priv, srf, vmw_user_surface_free); | |
2179 | ||
2180 | ttm_read_unlock(&dev_priv->reservation_sem); | |
2181 | return ret; | |
2182 | ||
2183 | out_no_user_srf: | |
2184 | ttm_mem_global_free(vmw_mem_glob(dev_priv), user_accounting_size); | |
2185 | ||
2186 | out_unlock: | |
2187 | ttm_read_unlock(&dev_priv->reservation_sem); | |
2188 | return ret; | |
2189 | } |