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
);