2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
24 * Authors: Dave Airlie
30 #include "radeon_drm.h"
33 int radeon_gem_object_init(struct drm_gem_object *obj)
40 void radeon_gem_object_free(struct drm_gem_object *gobj)
42 struct radeon_bo *robj = gem_to_radeon_bo(gobj);
45 if (robj->gem_base.import_attach)
46 drm_prime_gem_destroy(&robj->gem_base, robj->tbo.sg);
47 radeon_bo_unref(&robj);
51 int radeon_gem_object_create(struct radeon_device *rdev, int size,
52 int alignment, int initial_domain,
53 bool discardable, bool kernel,
54 struct drm_gem_object **obj)
56 struct radeon_bo *robj;
60 /* At least align on page size */
61 if (alignment < PAGE_SIZE) {
62 alignment = PAGE_SIZE;
64 r = radeon_bo_create(rdev, size, alignment, kernel, initial_domain, NULL, &robj);
66 if (r != -ERESTARTSYS)
67 DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",
68 size, initial_domain, alignment, r);
71 *obj = &robj->gem_base;
73 mutex_lock(&rdev->gem.mutex);
74 list_add_tail(&robj->list, &rdev->gem.objects);
75 mutex_unlock(&rdev->gem.mutex);
80 int radeon_gem_set_domain(struct drm_gem_object *gobj,
81 uint32_t rdomain, uint32_t wdomain)
83 struct radeon_bo *robj;
87 /* FIXME: reeimplement */
88 robj = gem_to_radeon_bo(gobj);
89 /* work out where to validate the buffer to */
96 printk(KERN_WARNING "Set domain without domain !\n");
99 if (domain == RADEON_GEM_DOMAIN_CPU) {
100 /* Asking for cpu access wait for object idle */
101 r = radeon_bo_wait(robj, NULL, false);
103 printk(KERN_ERR "Failed to wait for object !\n");
110 int radeon_gem_init(struct radeon_device *rdev)
112 INIT_LIST_HEAD(&rdev->gem.objects);
116 void radeon_gem_fini(struct radeon_device *rdev)
118 radeon_bo_force_delete(rdev);
122 * Call from drm_gem_handle_create which appear in both new and open ioctl
125 int radeon_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv)
130 void radeon_gem_object_close(struct drm_gem_object *obj,
131 struct drm_file *file_priv)
133 struct radeon_bo *rbo = gem_to_radeon_bo(obj);
134 struct radeon_device *rdev = rbo->rdev;
135 struct radeon_fpriv *fpriv = file_priv->driver_priv;
136 struct radeon_vm *vm = &fpriv->vm;
137 struct radeon_bo_va *bo_va, *tmp;
139 if (rdev->family < CHIP_CAYMAN) {
143 if (radeon_bo_reserve(rbo, false)) {
146 list_for_each_entry_safe(bo_va, tmp, &rbo->va, bo_list) {
147 if (bo_va->vm == vm) {
148 /* remove from this vm address space */
149 mutex_lock(&vm->mutex);
150 list_del(&bo_va->vm_list);
151 mutex_unlock(&vm->mutex);
152 list_del(&bo_va->bo_list);
156 radeon_bo_unreserve(rbo);
159 static int radeon_gem_handle_lockup(struct radeon_device *rdev, int r)
162 radeon_mutex_lock(&rdev->cs_mutex);
163 r = radeon_gpu_reset(rdev);
166 radeon_mutex_unlock(&rdev->cs_mutex);
174 int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
175 struct drm_file *filp)
177 struct radeon_device *rdev = dev->dev_private;
178 struct drm_radeon_gem_info *args = data;
179 struct ttm_mem_type_manager *man;
182 man = &rdev->mman.bdev.man[TTM_PL_VRAM];
184 args->vram_size = rdev->mc.real_vram_size;
185 args->vram_visible = (u64)man->size << PAGE_SHIFT;
186 if (rdev->stollen_vga_memory)
187 args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory);
188 args->vram_visible -= radeon_fbdev_total_size(rdev);
189 args->gart_size = rdev->mc.gtt_size - 4096 - RADEON_IB_POOL_SIZE*64*1024;
190 for(i = 0; i < RADEON_NUM_RINGS; ++i)
191 args->gart_size -= rdev->ring[i].ring_size;
195 int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
196 struct drm_file *filp)
198 /* TODO: implement */
199 DRM_ERROR("unimplemented %s\n", __func__);
203 int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
204 struct drm_file *filp)
206 /* TODO: implement */
207 DRM_ERROR("unimplemented %s\n", __func__);
211 int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
212 struct drm_file *filp)
214 struct radeon_device *rdev = dev->dev_private;
215 struct drm_radeon_gem_create *args = data;
216 struct drm_gem_object *gobj;
220 /* create a gem object to contain this object in */
221 args->size = roundup(args->size, PAGE_SIZE);
222 r = radeon_gem_object_create(rdev, args->size, args->alignment,
223 args->initial_domain, false,
226 r = radeon_gem_handle_lockup(rdev, r);
229 r = drm_gem_handle_create(filp, gobj, &handle);
230 /* drop reference from allocate - handle holds it now */
231 drm_gem_object_unreference_unlocked(gobj);
233 r = radeon_gem_handle_lockup(rdev, r);
236 args->handle = handle;
240 int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
241 struct drm_file *filp)
243 /* transition the BO to a domain -
244 * just validate the BO into a certain domain */
245 struct drm_radeon_gem_set_domain *args = data;
246 struct drm_gem_object *gobj;
247 struct radeon_bo *robj;
250 /* for now if someone requests domain CPU -
251 * just make sure the buffer is finished with */
253 /* just do a BO wait for now */
254 gobj = drm_gem_object_lookup(dev, filp, args->handle);
258 robj = gem_to_radeon_bo(gobj);
260 r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);
262 drm_gem_object_unreference_unlocked(gobj);
263 r = radeon_gem_handle_lockup(robj->rdev, r);
267 int radeon_mode_dumb_mmap(struct drm_file *filp,
268 struct drm_device *dev,
269 uint32_t handle, uint64_t *offset_p)
271 struct drm_gem_object *gobj;
272 struct radeon_bo *robj;
274 gobj = drm_gem_object_lookup(dev, filp, handle);
278 robj = gem_to_radeon_bo(gobj);
279 *offset_p = radeon_bo_mmap_offset(robj);
280 drm_gem_object_unreference_unlocked(gobj);
284 int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
285 struct drm_file *filp)
287 struct drm_radeon_gem_mmap *args = data;
289 return radeon_mode_dumb_mmap(filp, dev, args->handle, &args->addr_ptr);
292 int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
293 struct drm_file *filp)
295 struct drm_radeon_gem_busy *args = data;
296 struct drm_gem_object *gobj;
297 struct radeon_bo *robj;
299 uint32_t cur_placement = 0;
301 gobj = drm_gem_object_lookup(dev, filp, args->handle);
305 robj = gem_to_radeon_bo(gobj);
306 r = radeon_bo_wait(robj, &cur_placement, true);
307 switch (cur_placement) {
309 args->domain = RADEON_GEM_DOMAIN_VRAM;
312 args->domain = RADEON_GEM_DOMAIN_GTT;
315 args->domain = RADEON_GEM_DOMAIN_CPU;
319 drm_gem_object_unreference_unlocked(gobj);
320 r = radeon_gem_handle_lockup(robj->rdev, r);
324 int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
325 struct drm_file *filp)
327 struct drm_radeon_gem_wait_idle *args = data;
328 struct drm_gem_object *gobj;
329 struct radeon_bo *robj;
332 gobj = drm_gem_object_lookup(dev, filp, args->handle);
336 robj = gem_to_radeon_bo(gobj);
337 r = radeon_bo_wait(robj, NULL, false);
338 /* callback hw specific functions if any */
339 if (robj->rdev->asic->ioctl_wait_idle)
340 robj->rdev->asic->ioctl_wait_idle(robj->rdev, robj);
341 drm_gem_object_unreference_unlocked(gobj);
342 r = radeon_gem_handle_lockup(robj->rdev, r);
346 int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
347 struct drm_file *filp)
349 struct drm_radeon_gem_set_tiling *args = data;
350 struct drm_gem_object *gobj;
351 struct radeon_bo *robj;
354 DRM_DEBUG("%d \n", args->handle);
355 gobj = drm_gem_object_lookup(dev, filp, args->handle);
358 robj = gem_to_radeon_bo(gobj);
359 r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch);
360 drm_gem_object_unreference_unlocked(gobj);
364 int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
365 struct drm_file *filp)
367 struct drm_radeon_gem_get_tiling *args = data;
368 struct drm_gem_object *gobj;
369 struct radeon_bo *rbo;
373 gobj = drm_gem_object_lookup(dev, filp, args->handle);
376 rbo = gem_to_radeon_bo(gobj);
377 r = radeon_bo_reserve(rbo, false);
378 if (unlikely(r != 0))
380 radeon_bo_get_tiling_flags(rbo, &args->tiling_flags, &args->pitch);
381 radeon_bo_unreserve(rbo);
383 drm_gem_object_unreference_unlocked(gobj);
387 int radeon_gem_va_ioctl(struct drm_device *dev, void *data,
388 struct drm_file *filp)
390 struct drm_radeon_gem_va *args = data;
391 struct drm_gem_object *gobj;
392 struct radeon_device *rdev = dev->dev_private;
393 struct radeon_fpriv *fpriv = filp->driver_priv;
394 struct radeon_bo *rbo;
395 struct radeon_bo_va *bo_va;
399 if (!rdev->vm_manager.enabled) {
400 args->operation = RADEON_VA_RESULT_ERROR;
405 * We don't support vm_id yet, to be sure we don't have have broken
406 * userspace, reject anyone trying to use non 0 value thus moving
407 * forward we can use those fields without breaking existant userspace
410 args->operation = RADEON_VA_RESULT_ERROR;
414 if (args->offset < RADEON_VA_RESERVED_SIZE) {
415 dev_err(&dev->pdev->dev,
416 "offset 0x%lX is in reserved area 0x%X\n",
417 (unsigned long)args->offset,
418 RADEON_VA_RESERVED_SIZE);
419 args->operation = RADEON_VA_RESULT_ERROR;
423 /* don't remove, we need to enforce userspace to set the snooped flag
424 * otherwise we will endup with broken userspace and we won't be able
425 * to enable this feature without adding new interface
427 invalid_flags = RADEON_VM_PAGE_VALID | RADEON_VM_PAGE_SYSTEM;
428 if ((args->flags & invalid_flags)) {
429 dev_err(&dev->pdev->dev, "invalid flags 0x%08X vs 0x%08X\n",
430 args->flags, invalid_flags);
431 args->operation = RADEON_VA_RESULT_ERROR;
434 if (!(args->flags & RADEON_VM_PAGE_SNOOPED)) {
435 dev_err(&dev->pdev->dev, "only supported snooped mapping for now\n");
436 args->operation = RADEON_VA_RESULT_ERROR;
440 switch (args->operation) {
442 case RADEON_VA_UNMAP:
445 dev_err(&dev->pdev->dev, "unsupported operation %d\n",
447 args->operation = RADEON_VA_RESULT_ERROR;
451 gobj = drm_gem_object_lookup(dev, filp, args->handle);
453 args->operation = RADEON_VA_RESULT_ERROR;
456 rbo = gem_to_radeon_bo(gobj);
457 r = radeon_bo_reserve(rbo, false);
459 args->operation = RADEON_VA_RESULT_ERROR;
460 drm_gem_object_unreference_unlocked(gobj);
463 switch (args->operation) {
465 bo_va = radeon_bo_va(rbo, &fpriv->vm);
467 args->operation = RADEON_VA_RESULT_VA_EXIST;
468 args->offset = bo_va->soffset;
471 r = radeon_vm_bo_add(rdev, &fpriv->vm, rbo,
472 args->offset, args->flags);
474 case RADEON_VA_UNMAP:
475 r = radeon_vm_bo_rmv(rdev, &fpriv->vm, rbo);
480 args->operation = RADEON_VA_RESULT_OK;
482 args->operation = RADEON_VA_RESULT_ERROR;
485 radeon_bo_unreserve(rbo);
486 drm_gem_object_unreference_unlocked(gobj);
490 int radeon_mode_dumb_create(struct drm_file *file_priv,
491 struct drm_device *dev,
492 struct drm_mode_create_dumb *args)
494 struct radeon_device *rdev = dev->dev_private;
495 struct drm_gem_object *gobj;
499 args->pitch = radeon_align_pitch(rdev, args->width, args->bpp, 0) * ((args->bpp + 1) / 8);
500 args->size = args->pitch * args->height;
501 args->size = ALIGN(args->size, PAGE_SIZE);
503 r = radeon_gem_object_create(rdev, args->size, 0,
504 RADEON_GEM_DOMAIN_VRAM,
505 false, ttm_bo_type_device,
510 r = drm_gem_handle_create(file_priv, gobj, &handle);
511 /* drop reference from allocate - handle holds it now */
512 drm_gem_object_unreference_unlocked(gobj);
516 args->handle = handle;
520 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
521 struct drm_device *dev,
524 return drm_gem_handle_delete(file_priv, handle);