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1/*
2 * Copyright 2013 Red Hat Inc.
3 *
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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Dave Airlie
23 * Alon Levy
24 */
25
26#include "qxl_drv.h"
27#include "qxl_object.h"
28
29#include <linux/io-mapping.h>
30static void qxl_ttm_bo_destroy(struct ttm_buffer_object *tbo)
31{
32 struct qxl_bo *bo;
33 struct qxl_device *qdev;
34
35 bo = to_qxl_bo(tbo);
36 qdev = to_qxl(bo->tbo.base.dev);
37
38 qxl_surface_evict(qdev, bo, false);
39 WARN_ON_ONCE(bo->map_count > 0);
40 mutex_lock(&qdev->gem.mutex);
41 list_del_init(&bo->list);
42 mutex_unlock(&qdev->gem.mutex);
43 drm_gem_object_release(&bo->tbo.base);
44 kfree(bo);
45}
46
47bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo)
48{
49 if (bo->destroy == &qxl_ttm_bo_destroy)
50 return true;
51 return false;
52}
53
54void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain, bool pinned)
55{
56 u32 c = 0;
57 u32 pflag = 0;
58 unsigned int i;
59
60 if (pinned)
61 pflag |= TTM_PL_FLAG_NO_EVICT;
62 if (qbo->tbo.base.size <= PAGE_SIZE)
63 pflag |= TTM_PL_FLAG_TOPDOWN;
64
65 qbo->placement.placement = qbo->placements;
66 qbo->placement.busy_placement = qbo->placements;
67 if (domain == QXL_GEM_DOMAIN_VRAM)
68 qbo->placements[c++].flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_VRAM | pflag;
69 if (domain == QXL_GEM_DOMAIN_SURFACE) {
70 qbo->placements[c++].flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_PRIV | pflag;
71 qbo->placements[c++].flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_VRAM | pflag;
72 }
73 if (domain == QXL_GEM_DOMAIN_CPU)
74 qbo->placements[c++].flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM | pflag;
75 if (!c)
76 qbo->placements[c++].flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
77 qbo->placement.num_placement = c;
78 qbo->placement.num_busy_placement = c;
79 for (i = 0; i < c; ++i) {
80 qbo->placements[i].fpfn = 0;
81 qbo->placements[i].lpfn = 0;
82 }
83}
84
85static const struct drm_gem_object_funcs qxl_object_funcs = {
86 .free = qxl_gem_object_free,
87 .open = qxl_gem_object_open,
88 .close = qxl_gem_object_close,
89 .pin = qxl_gem_prime_pin,
90 .unpin = qxl_gem_prime_unpin,
91 .get_sg_table = qxl_gem_prime_get_sg_table,
92 .vmap = qxl_gem_prime_vmap,
93 .vunmap = qxl_gem_prime_vunmap,
94 .mmap = drm_gem_ttm_mmap,
95 .print_info = drm_gem_ttm_print_info,
96};
97
98int qxl_bo_create(struct qxl_device *qdev,
99 unsigned long size, bool kernel, bool pinned, u32 domain,
100 struct qxl_surface *surf,
101 struct qxl_bo **bo_ptr)
102{
103 struct qxl_bo *bo;
104 enum ttm_bo_type type;
105 int r;
106
107 if (kernel)
108 type = ttm_bo_type_kernel;
109 else
110 type = ttm_bo_type_device;
111 *bo_ptr = NULL;
112 bo = kzalloc(sizeof(struct qxl_bo), GFP_KERNEL);
113 if (bo == NULL)
114 return -ENOMEM;
115 size = roundup(size, PAGE_SIZE);
116 r = drm_gem_object_init(&qdev->ddev, &bo->tbo.base, size);
117 if (unlikely(r)) {
118 kfree(bo);
119 return r;
120 }
121 bo->tbo.base.funcs = &qxl_object_funcs;
122 bo->type = domain;
123 bo->pin_count = pinned ? 1 : 0;
124 bo->surface_id = 0;
125 INIT_LIST_HEAD(&bo->list);
126
127 if (surf)
128 bo->surf = *surf;
129
130 qxl_ttm_placement_from_domain(bo, domain, pinned);
131
132 r = ttm_bo_init(&qdev->mman.bdev, &bo->tbo, size, type,
133 &bo->placement, 0, !kernel, size,
134 NULL, NULL, &qxl_ttm_bo_destroy);
135 if (unlikely(r != 0)) {
136 if (r != -ERESTARTSYS)
137 dev_err(qdev->ddev.dev,
138 "object_init failed for (%lu, 0x%08X)\n",
139 size, domain);
140 return r;
141 }
142 *bo_ptr = bo;
143 return 0;
144}
145
146int qxl_bo_kmap(struct qxl_bo *bo, void **ptr)
147{
148 bool is_iomem;
149 int r;
150
151 if (bo->kptr) {
152 if (ptr)
153 *ptr = bo->kptr;
154 bo->map_count++;
155 return 0;
156 }
157 r = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.num_pages, &bo->kmap);
158 if (r)
159 return r;
160 bo->kptr = ttm_kmap_obj_virtual(&bo->kmap, &is_iomem);
161 if (ptr)
162 *ptr = bo->kptr;
163 bo->map_count = 1;
164 return 0;
165}
166
167void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev,
168 struct qxl_bo *bo, int page_offset)
169{
170 void *rptr;
171 int ret;
172 struct io_mapping *map;
173
174 if (bo->tbo.mem.mem_type == TTM_PL_VRAM)
175 map = qdev->vram_mapping;
176 else if (bo->tbo.mem.mem_type == TTM_PL_PRIV)
177 map = qdev->surface_mapping;
178 else
179 goto fallback;
180
181 ret = qxl_ttm_io_mem_reserve(bo->tbo.bdev, &bo->tbo.mem);
182
183 return io_mapping_map_atomic_wc(map, bo->tbo.mem.bus.offset + page_offset);
184fallback:
185 if (bo->kptr) {
186 rptr = bo->kptr + (page_offset * PAGE_SIZE);
187 return rptr;
188 }
189
190 ret = qxl_bo_kmap(bo, &rptr);
191 if (ret)
192 return NULL;
193
194 rptr += page_offset * PAGE_SIZE;
195 return rptr;
196}
197
198void qxl_bo_kunmap(struct qxl_bo *bo)
199{
200 if (bo->kptr == NULL)
201 return;
202 bo->map_count--;
203 if (bo->map_count > 0)
204 return;
205 bo->kptr = NULL;
206 ttm_bo_kunmap(&bo->kmap);
207}
208
209void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev,
210 struct qxl_bo *bo, void *pmap)
211{
212 if ((bo->tbo.mem.mem_type != TTM_PL_VRAM) &&
213 (bo->tbo.mem.mem_type != TTM_PL_PRIV))
214 goto fallback;
215
216 io_mapping_unmap_atomic(pmap);
217 return;
218 fallback:
219 qxl_bo_kunmap(bo);
220}
221
222void qxl_bo_unref(struct qxl_bo **bo)
223{
224 if ((*bo) == NULL)
225 return;
226
227 drm_gem_object_put(&(*bo)->tbo.base);
228 *bo = NULL;
229}
230
231struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo)
232{
233 drm_gem_object_get(&bo->tbo.base);
234 return bo;
235}
236
237static int __qxl_bo_pin(struct qxl_bo *bo)
238{
239 struct ttm_operation_ctx ctx = { false, false };
240 struct drm_device *ddev = bo->tbo.base.dev;
241 int r;
242
243 if (bo->pin_count) {
244 bo->pin_count++;
245 return 0;
246 }
247 qxl_ttm_placement_from_domain(bo, bo->type, true);
248 r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
249 if (likely(r == 0)) {
250 bo->pin_count = 1;
251 }
252 if (unlikely(r != 0))
253 dev_err(ddev->dev, "%p pin failed\n", bo);
254 return r;
255}
256
257static int __qxl_bo_unpin(struct qxl_bo *bo)
258{
259 struct ttm_operation_ctx ctx = { false, false };
260 struct drm_device *ddev = bo->tbo.base.dev;
261 int r, i;
262
263 if (!bo->pin_count) {
264 dev_warn(ddev->dev, "%p unpin not necessary\n", bo);
265 return 0;
266 }
267 bo->pin_count--;
268 if (bo->pin_count)
269 return 0;
270 for (i = 0; i < bo->placement.num_placement; i++)
271 bo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT;
272 r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
273 if (unlikely(r != 0))
274 dev_err(ddev->dev, "%p validate failed for unpin\n", bo);
275 return r;
276}
277
278/*
279 * Reserve the BO before pinning the object. If the BO was reserved
280 * beforehand, use the internal version directly __qxl_bo_pin.
281 *
282 */
283int qxl_bo_pin(struct qxl_bo *bo)
284{
285 int r;
286
287 r = qxl_bo_reserve(bo, false);
288 if (r)
289 return r;
290
291 r = __qxl_bo_pin(bo);
292 qxl_bo_unreserve(bo);
293 return r;
294}
295
296/*
297 * Reserve the BO before pinning the object. If the BO was reserved
298 * beforehand, use the internal version directly __qxl_bo_unpin.
299 *
300 */
301int qxl_bo_unpin(struct qxl_bo *bo)
302{
303 int r;
304
305 r = qxl_bo_reserve(bo, false);
306 if (r)
307 return r;
308
309 r = __qxl_bo_unpin(bo);
310 qxl_bo_unreserve(bo);
311 return r;
312}
313
314void qxl_bo_force_delete(struct qxl_device *qdev)
315{
316 struct qxl_bo *bo, *n;
317
318 if (list_empty(&qdev->gem.objects))
319 return;
320 dev_err(qdev->ddev.dev, "Userspace still has active objects !\n");
321 list_for_each_entry_safe(bo, n, &qdev->gem.objects, list) {
322 dev_err(qdev->ddev.dev, "%p %p %lu %lu force free\n",
323 &bo->tbo.base, bo, (unsigned long)bo->tbo.base.size,
324 *((unsigned long *)&bo->tbo.base.refcount));
325 mutex_lock(&qdev->gem.mutex);
326 list_del_init(&bo->list);
327 mutex_unlock(&qdev->gem.mutex);
328 /* this should unref the ttm bo */
329 drm_gem_object_put(&bo->tbo.base);
330 }
331}
332
333int qxl_bo_init(struct qxl_device *qdev)
334{
335 return qxl_ttm_init(qdev);
336}
337
338void qxl_bo_fini(struct qxl_device *qdev)
339{
340 qxl_ttm_fini(qdev);
341}
342
343int qxl_bo_check_id(struct qxl_device *qdev, struct qxl_bo *bo)
344{
345 int ret;
346
347 if (bo->type == QXL_GEM_DOMAIN_SURFACE && bo->surface_id == 0) {
348 /* allocate a surface id for this surface now */
349 ret = qxl_surface_id_alloc(qdev, bo);
350 if (ret)
351 return ret;
352
353 ret = qxl_hw_surface_alloc(qdev, bo);
354 if (ret)
355 return ret;
356 }
357 return 0;
358}
359
360int qxl_surf_evict(struct qxl_device *qdev)
361{
362 return ttm_bo_evict_mm(&qdev->mman.bdev, TTM_PL_PRIV);
363}
364
365int qxl_vram_evict(struct qxl_device *qdev)
366{
367 return ttm_bo_evict_mm(&qdev->mman.bdev, TTM_PL_VRAM);
368}
1/*
2 * Copyright 2013 Red Hat Inc.
3 *
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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Dave Airlie
23 * Alon Levy
24 */
25
26#include "qxl_drv.h"
27#include "qxl_object.h"
28
29#include <linux/io-mapping.h>
30static void qxl_ttm_bo_destroy(struct ttm_buffer_object *tbo)
31{
32 struct qxl_bo *bo;
33 struct qxl_device *qdev;
34
35 bo = to_qxl_bo(tbo);
36 qdev = (struct qxl_device *)bo->tbo.base.dev->dev_private;
37
38 qxl_surface_evict(qdev, bo, false);
39 WARN_ON_ONCE(bo->map_count > 0);
40 mutex_lock(&qdev->gem.mutex);
41 list_del_init(&bo->list);
42 mutex_unlock(&qdev->gem.mutex);
43 drm_gem_object_release(&bo->tbo.base);
44 kfree(bo);
45}
46
47bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo)
48{
49 if (bo->destroy == &qxl_ttm_bo_destroy)
50 return true;
51 return false;
52}
53
54void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain, bool pinned)
55{
56 u32 c = 0;
57 u32 pflag = pinned ? TTM_PL_FLAG_NO_EVICT : 0;
58 unsigned int i;
59
60 qbo->placement.placement = qbo->placements;
61 qbo->placement.busy_placement = qbo->placements;
62 if (domain == QXL_GEM_DOMAIN_VRAM)
63 qbo->placements[c++].flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_VRAM | pflag;
64 if (domain == QXL_GEM_DOMAIN_SURFACE) {
65 qbo->placements[c++].flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_PRIV | pflag;
66 qbo->placements[c++].flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_VRAM | pflag;
67 }
68 if (domain == QXL_GEM_DOMAIN_CPU)
69 qbo->placements[c++].flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM | pflag;
70 if (!c)
71 qbo->placements[c++].flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
72 qbo->placement.num_placement = c;
73 qbo->placement.num_busy_placement = c;
74 for (i = 0; i < c; ++i) {
75 qbo->placements[i].fpfn = 0;
76 qbo->placements[i].lpfn = 0;
77 }
78}
79
80int qxl_bo_create(struct qxl_device *qdev,
81 unsigned long size, bool kernel, bool pinned, u32 domain,
82 struct qxl_surface *surf,
83 struct qxl_bo **bo_ptr)
84{
85 struct qxl_bo *bo;
86 enum ttm_bo_type type;
87 int r;
88
89 if (kernel)
90 type = ttm_bo_type_kernel;
91 else
92 type = ttm_bo_type_device;
93 *bo_ptr = NULL;
94 bo = kzalloc(sizeof(struct qxl_bo), GFP_KERNEL);
95 if (bo == NULL)
96 return -ENOMEM;
97 size = roundup(size, PAGE_SIZE);
98 r = drm_gem_object_init(&qdev->ddev, &bo->tbo.base, size);
99 if (unlikely(r)) {
100 kfree(bo);
101 return r;
102 }
103 bo->type = domain;
104 bo->pin_count = pinned ? 1 : 0;
105 bo->surface_id = 0;
106 INIT_LIST_HEAD(&bo->list);
107
108 if (surf)
109 bo->surf = *surf;
110
111 qxl_ttm_placement_from_domain(bo, domain, pinned);
112
113 r = ttm_bo_init(&qdev->mman.bdev, &bo->tbo, size, type,
114 &bo->placement, 0, !kernel, size,
115 NULL, NULL, &qxl_ttm_bo_destroy);
116 if (unlikely(r != 0)) {
117 if (r != -ERESTARTSYS)
118 dev_err(qdev->ddev.dev,
119 "object_init failed for (%lu, 0x%08X)\n",
120 size, domain);
121 return r;
122 }
123 *bo_ptr = bo;
124 return 0;
125}
126
127int qxl_bo_kmap(struct qxl_bo *bo, void **ptr)
128{
129 bool is_iomem;
130 int r;
131
132 if (bo->kptr) {
133 if (ptr)
134 *ptr = bo->kptr;
135 bo->map_count++;
136 return 0;
137 }
138 r = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.num_pages, &bo->kmap);
139 if (r)
140 return r;
141 bo->kptr = ttm_kmap_obj_virtual(&bo->kmap, &is_iomem);
142 if (ptr)
143 *ptr = bo->kptr;
144 bo->map_count = 1;
145 return 0;
146}
147
148void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev,
149 struct qxl_bo *bo, int page_offset)
150{
151 struct ttm_mem_type_manager *man = &bo->tbo.bdev->man[bo->tbo.mem.mem_type];
152 void *rptr;
153 int ret;
154 struct io_mapping *map;
155
156 if (bo->tbo.mem.mem_type == TTM_PL_VRAM)
157 map = qdev->vram_mapping;
158 else if (bo->tbo.mem.mem_type == TTM_PL_PRIV)
159 map = qdev->surface_mapping;
160 else
161 goto fallback;
162
163 (void) ttm_mem_io_lock(man, false);
164 ret = ttm_mem_io_reserve(bo->tbo.bdev, &bo->tbo.mem);
165 ttm_mem_io_unlock(man);
166
167 return io_mapping_map_atomic_wc(map, bo->tbo.mem.bus.offset + page_offset);
168fallback:
169 if (bo->kptr) {
170 rptr = bo->kptr + (page_offset * PAGE_SIZE);
171 return rptr;
172 }
173
174 ret = qxl_bo_kmap(bo, &rptr);
175 if (ret)
176 return NULL;
177
178 rptr += page_offset * PAGE_SIZE;
179 return rptr;
180}
181
182void qxl_bo_kunmap(struct qxl_bo *bo)
183{
184 if (bo->kptr == NULL)
185 return;
186 bo->map_count--;
187 if (bo->map_count > 0)
188 return;
189 bo->kptr = NULL;
190 ttm_bo_kunmap(&bo->kmap);
191}
192
193void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev,
194 struct qxl_bo *bo, void *pmap)
195{
196 struct ttm_mem_type_manager *man = &bo->tbo.bdev->man[bo->tbo.mem.mem_type];
197
198 if ((bo->tbo.mem.mem_type != TTM_PL_VRAM) &&
199 (bo->tbo.mem.mem_type != TTM_PL_PRIV))
200 goto fallback;
201
202 io_mapping_unmap_atomic(pmap);
203
204 (void) ttm_mem_io_lock(man, false);
205 ttm_mem_io_free(bo->tbo.bdev, &bo->tbo.mem);
206 ttm_mem_io_unlock(man);
207 return;
208 fallback:
209 qxl_bo_kunmap(bo);
210}
211
212void qxl_bo_unref(struct qxl_bo **bo)
213{
214 if ((*bo) == NULL)
215 return;
216
217 drm_gem_object_put_unlocked(&(*bo)->tbo.base);
218 *bo = NULL;
219}
220
221struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo)
222{
223 drm_gem_object_get(&bo->tbo.base);
224 return bo;
225}
226
227static int __qxl_bo_pin(struct qxl_bo *bo)
228{
229 struct ttm_operation_ctx ctx = { false, false };
230 struct drm_device *ddev = bo->tbo.base.dev;
231 int r;
232
233 if (bo->pin_count) {
234 bo->pin_count++;
235 return 0;
236 }
237 qxl_ttm_placement_from_domain(bo, bo->type, true);
238 r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
239 if (likely(r == 0)) {
240 bo->pin_count = 1;
241 }
242 if (unlikely(r != 0))
243 dev_err(ddev->dev, "%p pin failed\n", bo);
244 return r;
245}
246
247static int __qxl_bo_unpin(struct qxl_bo *bo)
248{
249 struct ttm_operation_ctx ctx = { false, false };
250 struct drm_device *ddev = bo->tbo.base.dev;
251 int r, i;
252
253 if (!bo->pin_count) {
254 dev_warn(ddev->dev, "%p unpin not necessary\n", bo);
255 return 0;
256 }
257 bo->pin_count--;
258 if (bo->pin_count)
259 return 0;
260 for (i = 0; i < bo->placement.num_placement; i++)
261 bo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT;
262 r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
263 if (unlikely(r != 0))
264 dev_err(ddev->dev, "%p validate failed for unpin\n", bo);
265 return r;
266}
267
268/*
269 * Reserve the BO before pinning the object. If the BO was reserved
270 * beforehand, use the internal version directly __qxl_bo_pin.
271 *
272 */
273int qxl_bo_pin(struct qxl_bo *bo)
274{
275 int r;
276
277 r = qxl_bo_reserve(bo, false);
278 if (r)
279 return r;
280
281 r = __qxl_bo_pin(bo);
282 qxl_bo_unreserve(bo);
283 return r;
284}
285
286/*
287 * Reserve the BO before pinning the object. If the BO was reserved
288 * beforehand, use the internal version directly __qxl_bo_unpin.
289 *
290 */
291int qxl_bo_unpin(struct qxl_bo *bo)
292{
293 int r;
294
295 r = qxl_bo_reserve(bo, false);
296 if (r)
297 return r;
298
299 r = __qxl_bo_unpin(bo);
300 qxl_bo_unreserve(bo);
301 return r;
302}
303
304void qxl_bo_force_delete(struct qxl_device *qdev)
305{
306 struct qxl_bo *bo, *n;
307
308 if (list_empty(&qdev->gem.objects))
309 return;
310 dev_err(qdev->ddev.dev, "Userspace still has active objects !\n");
311 list_for_each_entry_safe(bo, n, &qdev->gem.objects, list) {
312 dev_err(qdev->ddev.dev, "%p %p %lu %lu force free\n",
313 &bo->tbo.base, bo, (unsigned long)bo->tbo.base.size,
314 *((unsigned long *)&bo->tbo.base.refcount));
315 mutex_lock(&qdev->gem.mutex);
316 list_del_init(&bo->list);
317 mutex_unlock(&qdev->gem.mutex);
318 /* this should unref the ttm bo */
319 drm_gem_object_put_unlocked(&bo->tbo.base);
320 }
321}
322
323int qxl_bo_init(struct qxl_device *qdev)
324{
325 return qxl_ttm_init(qdev);
326}
327
328void qxl_bo_fini(struct qxl_device *qdev)
329{
330 qxl_ttm_fini(qdev);
331}
332
333int qxl_bo_check_id(struct qxl_device *qdev, struct qxl_bo *bo)
334{
335 int ret;
336
337 if (bo->type == QXL_GEM_DOMAIN_SURFACE && bo->surface_id == 0) {
338 /* allocate a surface id for this surface now */
339 ret = qxl_surface_id_alloc(qdev, bo);
340 if (ret)
341 return ret;
342
343 ret = qxl_hw_surface_alloc(qdev, bo);
344 if (ret)
345 return ret;
346 }
347 return 0;
348}
349
350int qxl_surf_evict(struct qxl_device *qdev)
351{
352 return ttm_bo_evict_mm(&qdev->mman.bdev, TTM_PL_PRIV);
353}
354
355int qxl_vram_evict(struct qxl_device *qdev)
356{
357 return ttm_bo_evict_mm(&qdev->mman.bdev, TTM_PL_VRAM);
358}