2 * Copyright 2007 Nouveau Project
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #include "nouveau_private.h"
36 nouveau_bo_init(struct nouveau_device *dev)
42 nouveau_bo_takedown(struct nouveau_device *dev)
47 nouveau_bo_info(struct nouveau_bo_priv *nvbo, struct drm_nouveau_gem_info *arg)
49 nvbo->handle = nvbo->base.handle = arg->handle;
50 nvbo->domain = arg->domain;
51 nvbo->size = arg->size;
52 nvbo->offset = arg->offset;
53 nvbo->map_handle = arg->map_handle;
54 nvbo->base.tile_mode = arg->tile_mode;
55 nvbo->base.tile_flags = arg->tile_flags;
60 nouveau_bo_allocated(struct nouveau_bo_priv *nvbo)
62 if (nvbo->sysmem || nvbo->handle)
68 nouveau_bo_ualloc(struct nouveau_bo_priv *nvbo)
70 if (nvbo->user || nvbo->sysmem) {
75 nvbo->sysmem = malloc(nvbo->size);
83 nouveau_bo_ufree(struct nouveau_bo_priv *nvbo)
93 nouveau_bo_kfree(struct nouveau_bo_priv *nvbo)
95 struct nouveau_device_priv *nvdev = nouveau_device(nvbo->base.device);
96 struct drm_gem_close req;
102 munmap(nvbo->map, nvbo->size);
106 req.handle = nvbo->handle;
108 drmIoctl(nvdev->fd, DRM_IOCTL_GEM_CLOSE, &req);
112 nouveau_bo_kalloc(struct nouveau_bo_priv *nvbo, struct nouveau_channel *chan)
114 struct nouveau_device_priv *nvdev = nouveau_device(nvbo->base.device);
115 struct drm_nouveau_gem_new req;
116 struct drm_nouveau_gem_info *info = &req.info;
122 req.channel_hint = chan ? chan->id : 0;
123 req.align = nvbo->align;
126 info->size = nvbo->size;
129 if (nvbo->flags & NOUVEAU_BO_VRAM)
130 info->domain |= NOUVEAU_GEM_DOMAIN_VRAM;
131 if (nvbo->flags & NOUVEAU_BO_GART)
132 info->domain |= NOUVEAU_GEM_DOMAIN_GART;
134 info->domain |= (NOUVEAU_GEM_DOMAIN_VRAM |
135 NOUVEAU_GEM_DOMAIN_GART);
138 if (nvbo->flags & NOUVEAU_BO_MAP)
139 info->domain |= NOUVEAU_GEM_DOMAIN_MAPPABLE;
141 info->tile_mode = nvbo->base.tile_mode;
142 info->tile_flags = nvbo->base.tile_flags;
144 ret = drmCommandWriteRead(nvdev->fd, DRM_NOUVEAU_GEM_NEW,
149 nouveau_bo_info(nvbo, &req.info);
154 nouveau_bo_kmap(struct nouveau_bo_priv *nvbo)
156 struct nouveau_device_priv *nvdev = nouveau_device(nvbo->base.device);
161 if (!nvbo->map_handle)
164 nvbo->map = mmap(0, nvbo->size, PROT_READ | PROT_WRITE,
165 MAP_SHARED, nvdev->fd, nvbo->map_handle);
166 if (nvbo->map == MAP_FAILED) {
175 nouveau_bo_new_tile(struct nouveau_device *dev, uint32_t flags, int align,
176 int size, uint32_t tile_mode, uint32_t tile_flags,
177 struct nouveau_bo **bo)
179 struct nouveau_bo_priv *nvbo;
182 if (!dev || !bo || *bo)
185 nvbo = calloc(1, sizeof(struct nouveau_bo_priv));
188 nvbo->base.device = dev;
189 nvbo->base.size = size;
190 nvbo->base.tile_mode = tile_mode;
191 nvbo->base.tile_flags = tile_flags;
198 if (flags & (NOUVEAU_BO_VRAM | NOUVEAU_BO_GART)) {
199 ret = nouveau_bo_kalloc(nvbo, NULL);
201 nouveau_bo_ref(NULL, (void *)nvbo);
205 if (flags & NOUVEAU_BO_PIN) {
206 ret = nouveau_bo_pin((void *)nvbo, nvbo->flags);
208 nouveau_bo_ref(NULL, (void *)nvbo);
219 nouveau_bo_new(struct nouveau_device *dev, uint32_t flags, int align,
220 int size, struct nouveau_bo **bo)
222 uint32_t tile_flags = 0;
224 if (flags & NOUVEAU_BO_TILED) {
225 if (flags & NOUVEAU_BO_ZTILE)
231 return nouveau_bo_new_tile(dev, flags, align, size, 0, tile_flags, bo);
235 nouveau_bo_user(struct nouveau_device *dev, void *ptr, int size,
236 struct nouveau_bo **bo)
238 struct nouveau_bo_priv *nvbo;
241 ret = nouveau_bo_new(dev, NOUVEAU_BO_MAP, 0, size, bo);
244 nvbo = nouveau_bo(*bo);
252 nouveau_bo_wrap(struct nouveau_device *dev, uint32_t handle,
253 struct nouveau_bo **bo)
255 struct nouveau_device_priv *nvdev = nouveau_device(dev);
256 struct drm_nouveau_gem_info req;
257 struct nouveau_bo_priv *nvbo;
260 ret = nouveau_bo_new(dev, 0, 0, 0, bo);
263 nvbo = nouveau_bo(*bo);
266 ret = drmCommandWriteRead(nvdev->fd, DRM_NOUVEAU_GEM_INFO,
269 nouveau_bo_ref(NULL, bo);
273 nouveau_bo_info(nvbo, &req);
274 nvbo->base.size = nvbo->size;
279 nouveau_bo_handle_get(struct nouveau_bo *bo, uint32_t *handle)
281 struct nouveau_device_priv *nvdev = nouveau_device(bo->device);
282 struct nouveau_bo_priv *nvbo = nouveau_bo(bo);
288 if (!nvbo->global_handle) {
289 struct drm_gem_flink req;
291 ret = nouveau_bo_kalloc(nvbo, NULL);
295 req.handle = nvbo->handle;
296 ret = drmIoctl(nvdev->fd, DRM_IOCTL_GEM_FLINK, &req);
298 nouveau_bo_kfree(nvbo);
302 nvbo->global_handle = req.name;
305 *handle = nvbo->global_handle;
310 nouveau_bo_handle_ref(struct nouveau_device *dev, uint32_t handle,
311 struct nouveau_bo **bo)
313 struct nouveau_device_priv *nvdev = nouveau_device(dev);
314 struct nouveau_bo_priv *nvbo;
315 struct drm_gem_open req;
319 ret = drmIoctl(nvdev->fd, DRM_IOCTL_GEM_OPEN, &req);
321 nouveau_bo_ref(NULL, bo);
325 ret = nouveau_bo_wrap(dev, req.handle, bo);
327 nouveau_bo_ref(NULL, bo);
331 nvbo = nouveau_bo(*bo);
332 nvbo->base.handle = nvbo->handle;
337 nouveau_bo_del(struct nouveau_bo **bo)
339 struct nouveau_bo_priv *nvbo;
343 nvbo = nouveau_bo(*bo);
346 if (--nvbo->refcount)
350 nvbo->pending = NULL;
351 nouveau_pushbuf_flush(nvbo->pending_channel, 0);
354 nouveau_bo_ufree(nvbo);
355 nouveau_bo_kfree(nvbo);
360 nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pbo)
366 nouveau_bo(ref)->refcount++;
376 nouveau_bo_wait(struct nouveau_bo *bo, int cpu_write, int no_wait, int no_block)
378 struct nouveau_device_priv *nvdev = nouveau_device(bo->device);
379 struct nouveau_bo_priv *nvbo = nouveau_bo(bo);
380 struct drm_nouveau_gem_cpu_prep req;
383 if (!nvbo->global_handle && !nvbo->write_marker && !cpu_write)
387 (nvbo->pending->write_domains || cpu_write)) {
388 nvbo->pending = NULL;
389 nouveau_pushbuf_flush(nvbo->pending_channel, 0);
392 req.handle = nvbo->handle;
395 req.flags |= NOUVEAU_GEM_CPU_PREP_WRITE;
397 req.flags |= NOUVEAU_GEM_CPU_PREP_NOWAIT;
399 req.flags |= NOUVEAU_GEM_CPU_PREP_NOBLOCK;
402 ret = drmCommandWrite(nvdev->fd, DRM_NOUVEAU_GEM_CPU_PREP,
404 } while (ret == -EAGAIN);
409 nvbo->write_marker = 0;
414 nouveau_bo_map_range(struct nouveau_bo *bo, uint32_t delta, uint32_t size,
417 struct nouveau_bo_priv *nvbo = nouveau_bo(bo);
420 if (!nvbo || bo->map)
423 if (!nouveau_bo_allocated(nvbo)) {
424 if (nvbo->flags & (NOUVEAU_BO_VRAM | NOUVEAU_BO_GART)) {
425 ret = nouveau_bo_kalloc(nvbo, NULL);
430 if (!nouveau_bo_allocated(nvbo)) {
431 ret = nouveau_bo_ualloc(nvbo);
438 bo->map = (char *)nvbo->sysmem + delta;
440 ret = nouveau_bo_kmap(nvbo);
444 if (!(flags & NOUVEAU_BO_NOSYNC)) {
445 ret = nouveau_bo_wait(bo, (flags & NOUVEAU_BO_WR),
446 (flags & NOUVEAU_BO_NOWAIT), 0);
451 bo->map = (char *)nvbo->map + delta;
458 nouveau_bo_map_flush(struct nouveau_bo *bo, uint32_t delta, uint32_t size)
463 nouveau_bo_map(struct nouveau_bo *bo, uint32_t flags)
465 return nouveau_bo_map_range(bo, 0, bo->size, flags);
469 nouveau_bo_unmap(struct nouveau_bo *bo)
471 struct nouveau_bo_priv *nvbo = nouveau_bo(bo);
473 if (bo->map && !nvbo->sysmem) {
474 struct nouveau_device_priv *nvdev = nouveau_device(bo->device);
475 struct drm_nouveau_gem_cpu_fini req;
477 req.handle = nvbo->handle;
478 drmCommandWrite(nvdev->fd, DRM_NOUVEAU_GEM_CPU_FINI,
486 nouveau_bo_pin(struct nouveau_bo *bo, uint32_t flags)
488 struct nouveau_device_priv *nvdev = nouveau_device(bo->device);
489 struct nouveau_bo_priv *nvbo = nouveau_bo(bo);
490 struct drm_nouveau_gem_pin req;
499 /* Now force it to stay put :) */
500 req.handle = nvbo->handle;
502 if (flags & NOUVEAU_BO_VRAM)
503 req.domain |= NOUVEAU_GEM_DOMAIN_VRAM;
504 if (flags & NOUVEAU_BO_GART)
505 req.domain |= NOUVEAU_GEM_DOMAIN_GART;
507 ret = drmCommandWriteRead(nvdev->fd, DRM_NOUVEAU_GEM_PIN, &req,
508 sizeof(struct drm_nouveau_gem_pin));
511 nvbo->offset = req.offset;
512 nvbo->domain = req.domain;
515 /* Fill in public nouveau_bo members */
516 if (nvbo->domain & NOUVEAU_GEM_DOMAIN_VRAM)
517 bo->flags = NOUVEAU_BO_VRAM;
518 if (nvbo->domain & NOUVEAU_GEM_DOMAIN_GART)
519 bo->flags = NOUVEAU_BO_GART;
520 bo->offset = nvbo->offset;
526 nouveau_bo_unpin(struct nouveau_bo *bo)
528 struct nouveau_device_priv *nvdev = nouveau_device(bo->device);
529 struct nouveau_bo_priv *nvbo = nouveau_bo(bo);
530 struct drm_nouveau_gem_unpin req;
535 req.handle = nvbo->handle;
536 drmCommandWrite(nvdev->fd, DRM_NOUVEAU_GEM_UNPIN, &req, sizeof(req));
538 nvbo->pinned = bo->offset = bo->flags = 0;
542 nouveau_bo_busy(struct nouveau_bo *bo, uint32_t access)
544 return nouveau_bo_wait(bo, (access & NOUVEAU_BO_WR), 1, 1);
548 nouveau_bo_pending(struct nouveau_bo *bo)
550 struct nouveau_bo_priv *nvbo = nouveau_bo(bo);
557 if (nvbo->pending->read_domains)
558 flags |= NOUVEAU_BO_RD;
559 if (nvbo->pending->write_domains)
560 flags |= NOUVEAU_BO_WR;
565 struct drm_nouveau_gem_pushbuf_bo *
566 nouveau_bo_emit_buffer(struct nouveau_channel *chan, struct nouveau_bo *bo)
568 struct nouveau_pushbuf_priv *nvpb = nouveau_pushbuf(chan->pushbuf);
569 struct nouveau_bo_priv *nvbo = nouveau_bo(bo);
570 struct drm_nouveau_gem_pushbuf_bo *pbbo;
571 struct nouveau_bo *ref = NULL;
575 return nvbo->pending;
578 ret = nouveau_bo_kalloc(nvbo, chan);
583 void *sysmem_tmp = nvbo->sysmem;
586 ret = nouveau_bo_map(bo, NOUVEAU_BO_WR);
589 nvbo->sysmem = sysmem_tmp;
591 memcpy(bo->map, nvbo->sysmem, nvbo->base.size);
592 nouveau_bo_ufree(nvbo);
593 nouveau_bo_unmap(bo);
597 if (nvpb->nr_buffers >= NOUVEAU_GEM_MAX_BUFFERS)
599 pbbo = nvpb->buffers + nvpb->nr_buffers++;
600 nvbo->pending = pbbo;
601 nvbo->pending_channel = chan;
602 nvbo->pending_refcnt = 0;
604 nouveau_bo_ref(bo, &ref);
605 pbbo->user_priv = (uint64_t)(unsigned long)ref;
606 pbbo->handle = nvbo->handle;
607 pbbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM | NOUVEAU_GEM_DOMAIN_GART;
608 pbbo->read_domains = 0;
609 pbbo->write_domains = 0;
610 pbbo->presumed_domain = nvbo->domain;
611 pbbo->presumed_offset = nvbo->offset;
612 pbbo->presumed_ok = 1;