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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 <linux/delay.h>
27
28#include <drm/drm.h>
29#include <drm/drm_file.h>
30#include <drm/drm_debugfs.h>
31#include <drm/qxl_drm.h>
32#include <drm/ttm/ttm_bo_api.h>
33#include <drm/ttm/ttm_bo_driver.h>
34#include <drm/ttm/ttm_module.h>
35#include <drm/ttm/ttm_page_alloc.h>
36#include <drm/ttm/ttm_placement.h>
37
38#include "qxl_drv.h"
39#include "qxl_object.h"
40
41static struct qxl_device *qxl_get_qdev(struct ttm_bo_device *bdev)
42{
43 struct qxl_mman *mman;
44 struct qxl_device *qdev;
45
46 mman = container_of(bdev, struct qxl_mman, bdev);
47 qdev = container_of(mman, struct qxl_device, mman);
48 return qdev;
49}
50
51static struct vm_operations_struct qxl_ttm_vm_ops;
52static const struct vm_operations_struct *ttm_vm_ops;
53
54static vm_fault_t qxl_ttm_fault(struct vm_fault *vmf)
55{
56 struct ttm_buffer_object *bo;
57 vm_fault_t ret;
58
59 bo = (struct ttm_buffer_object *)vmf->vma->vm_private_data;
60 if (bo == NULL)
61 return VM_FAULT_NOPAGE;
62 ret = ttm_vm_ops->fault(vmf);
63 return ret;
64}
65
66int qxl_mmap(struct file *filp, struct vm_area_struct *vma)
67{
68 int r;
69 struct drm_file *file_priv = filp->private_data;
70 struct qxl_device *qdev = file_priv->minor->dev->dev_private;
71
72 if (qdev == NULL) {
73 DRM_ERROR(
74 "filp->private_data->minor->dev->dev_private == NULL\n");
75 return -EINVAL;
76 }
77 DRM_DEBUG_DRIVER("filp->private_data = 0x%p, vma->vm_pgoff = %lx\n",
78 filp->private_data, vma->vm_pgoff);
79
80 r = ttm_bo_mmap(filp, vma, &qdev->mman.bdev);
81 if (unlikely(r != 0))
82 return r;
83 if (unlikely(ttm_vm_ops == NULL)) {
84 ttm_vm_ops = vma->vm_ops;
85 qxl_ttm_vm_ops = *ttm_vm_ops;
86 qxl_ttm_vm_ops.fault = &qxl_ttm_fault;
87 }
88 vma->vm_ops = &qxl_ttm_vm_ops;
89 return 0;
90}
91
92static int qxl_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags)
93{
94 return 0;
95}
96
97static int qxl_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
98 struct ttm_mem_type_manager *man)
99{
100 struct qxl_device *qdev = qxl_get_qdev(bdev);
101 unsigned int gpu_offset_shift =
102 64 - (qdev->rom->slot_gen_bits + qdev->rom->slot_id_bits + 8);
103 struct qxl_memslot *slot;
104
105 switch (type) {
106 case TTM_PL_SYSTEM:
107 /* System memory */
108 man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
109 man->available_caching = TTM_PL_MASK_CACHING;
110 man->default_caching = TTM_PL_FLAG_CACHED;
111 break;
112 case TTM_PL_VRAM:
113 case TTM_PL_PRIV:
114 /* "On-card" video ram */
115 slot = (type == TTM_PL_VRAM) ?
116 &qdev->main_slot : &qdev->surfaces_slot;
117 slot->gpu_offset = (uint64_t)type << gpu_offset_shift;
118 man->func = &ttm_bo_manager_func;
119 man->gpu_offset = slot->gpu_offset;
120 man->flags = TTM_MEMTYPE_FLAG_FIXED |
121 TTM_MEMTYPE_FLAG_MAPPABLE;
122 man->available_caching = TTM_PL_MASK_CACHING;
123 man->default_caching = TTM_PL_FLAG_CACHED;
124 break;
125 default:
126 DRM_ERROR("Unsupported memory type %u\n", (unsigned int)type);
127 return -EINVAL;
128 }
129 return 0;
130}
131
132static void qxl_evict_flags(struct ttm_buffer_object *bo,
133 struct ttm_placement *placement)
134{
135 struct qxl_bo *qbo;
136 static const struct ttm_place placements = {
137 .fpfn = 0,
138 .lpfn = 0,
139 .flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM
140 };
141
142 if (!qxl_ttm_bo_is_qxl_bo(bo)) {
143 placement->placement = &placements;
144 placement->busy_placement = &placements;
145 placement->num_placement = 1;
146 placement->num_busy_placement = 1;
147 return;
148 }
149 qbo = to_qxl_bo(bo);
150 qxl_ttm_placement_from_domain(qbo, QXL_GEM_DOMAIN_CPU, false);
151 *placement = qbo->placement;
152}
153
154static int qxl_verify_access(struct ttm_buffer_object *bo, struct file *filp)
155{
156 struct qxl_bo *qbo = to_qxl_bo(bo);
157
158 return drm_vma_node_verify_access(&qbo->tbo.base.vma_node,
159 filp->private_data);
160}
161
162static int qxl_ttm_io_mem_reserve(struct ttm_bo_device *bdev,
163 struct ttm_mem_reg *mem)
164{
165 struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
166 struct qxl_device *qdev = qxl_get_qdev(bdev);
167
168 mem->bus.addr = NULL;
169 mem->bus.offset = 0;
170 mem->bus.size = mem->num_pages << PAGE_SHIFT;
171 mem->bus.base = 0;
172 mem->bus.is_iomem = false;
173 if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
174 return -EINVAL;
175 switch (mem->mem_type) {
176 case TTM_PL_SYSTEM:
177 /* system memory */
178 return 0;
179 case TTM_PL_VRAM:
180 mem->bus.is_iomem = true;
181 mem->bus.base = qdev->vram_base;
182 mem->bus.offset = mem->start << PAGE_SHIFT;
183 break;
184 case TTM_PL_PRIV:
185 mem->bus.is_iomem = true;
186 mem->bus.base = qdev->surfaceram_base;
187 mem->bus.offset = mem->start << PAGE_SHIFT;
188 break;
189 default:
190 return -EINVAL;
191 }
192 return 0;
193}
194
195static void qxl_ttm_io_mem_free(struct ttm_bo_device *bdev,
196 struct ttm_mem_reg *mem)
197{
198}
199
200/*
201 * TTM backend functions.
202 */
203struct qxl_ttm_tt {
204 struct ttm_tt ttm;
205 struct qxl_device *qdev;
206 u64 offset;
207};
208
209static int qxl_ttm_backend_bind(struct ttm_tt *ttm,
210 struct ttm_mem_reg *bo_mem)
211{
212 struct qxl_ttm_tt *gtt = (void *)ttm;
213
214 gtt->offset = (unsigned long)(bo_mem->start << PAGE_SHIFT);
215 if (!ttm->num_pages) {
216 WARN(1, "nothing to bind %lu pages for mreg %p back %p!\n",
217 ttm->num_pages, bo_mem, ttm);
218 }
219 /* Not implemented */
220 return -1;
221}
222
223static int qxl_ttm_backend_unbind(struct ttm_tt *ttm)
224{
225 /* Not implemented */
226 return -1;
227}
228
229static void qxl_ttm_backend_destroy(struct ttm_tt *ttm)
230{
231 struct qxl_ttm_tt *gtt = (void *)ttm;
232
233 ttm_tt_fini(>t->ttm);
234 kfree(gtt);
235}
236
237static struct ttm_backend_func qxl_backend_func = {
238 .bind = &qxl_ttm_backend_bind,
239 .unbind = &qxl_ttm_backend_unbind,
240 .destroy = &qxl_ttm_backend_destroy,
241};
242
243static struct ttm_tt *qxl_ttm_tt_create(struct ttm_buffer_object *bo,
244 uint32_t page_flags)
245{
246 struct qxl_device *qdev;
247 struct qxl_ttm_tt *gtt;
248
249 qdev = qxl_get_qdev(bo->bdev);
250 gtt = kzalloc(sizeof(struct qxl_ttm_tt), GFP_KERNEL);
251 if (gtt == NULL)
252 return NULL;
253 gtt->ttm.func = &qxl_backend_func;
254 gtt->qdev = qdev;
255 if (ttm_tt_init(>t->ttm, bo, page_flags)) {
256 kfree(gtt);
257 return NULL;
258 }
259 return >t->ttm;
260}
261
262static void qxl_move_null(struct ttm_buffer_object *bo,
263 struct ttm_mem_reg *new_mem)
264{
265 struct ttm_mem_reg *old_mem = &bo->mem;
266
267 BUG_ON(old_mem->mm_node != NULL);
268 *old_mem = *new_mem;
269 new_mem->mm_node = NULL;
270}
271
272static int qxl_bo_move(struct ttm_buffer_object *bo, bool evict,
273 struct ttm_operation_ctx *ctx,
274 struct ttm_mem_reg *new_mem)
275{
276 struct ttm_mem_reg *old_mem = &bo->mem;
277 int ret;
278
279 ret = ttm_bo_wait(bo, ctx->interruptible, ctx->no_wait_gpu);
280 if (ret)
281 return ret;
282
283 if (old_mem->mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) {
284 qxl_move_null(bo, new_mem);
285 return 0;
286 }
287 return ttm_bo_move_memcpy(bo, ctx, new_mem);
288}
289
290static void qxl_bo_move_notify(struct ttm_buffer_object *bo,
291 bool evict,
292 struct ttm_mem_reg *new_mem)
293{
294 struct qxl_bo *qbo;
295 struct qxl_device *qdev;
296
297 if (!qxl_ttm_bo_is_qxl_bo(bo))
298 return;
299 qbo = to_qxl_bo(bo);
300 qdev = qbo->tbo.base.dev->dev_private;
301
302 if (bo->mem.mem_type == TTM_PL_PRIV && qbo->surface_id)
303 qxl_surface_evict(qdev, qbo, new_mem ? true : false);
304}
305
306static struct ttm_bo_driver qxl_bo_driver = {
307 .ttm_tt_create = &qxl_ttm_tt_create,
308 .invalidate_caches = &qxl_invalidate_caches,
309 .init_mem_type = &qxl_init_mem_type,
310 .eviction_valuable = ttm_bo_eviction_valuable,
311 .evict_flags = &qxl_evict_flags,
312 .move = &qxl_bo_move,
313 .verify_access = &qxl_verify_access,
314 .io_mem_reserve = &qxl_ttm_io_mem_reserve,
315 .io_mem_free = &qxl_ttm_io_mem_free,
316 .move_notify = &qxl_bo_move_notify,
317};
318
319int qxl_ttm_init(struct qxl_device *qdev)
320{
321 int r;
322 int num_io_pages; /* != rom->num_io_pages, we include surface0 */
323
324 /* No others user of address space so set it to 0 */
325 r = ttm_bo_device_init(&qdev->mman.bdev,
326 &qxl_bo_driver,
327 qdev->ddev.anon_inode->i_mapping,
328 false);
329 if (r) {
330 DRM_ERROR("failed initializing buffer object driver(%d).\n", r);
331 return r;
332 }
333 /* NOTE: this includes the framebuffer (aka surface 0) */
334 num_io_pages = qdev->rom->ram_header_offset / PAGE_SIZE;
335 r = ttm_bo_init_mm(&qdev->mman.bdev, TTM_PL_VRAM,
336 num_io_pages);
337 if (r) {
338 DRM_ERROR("Failed initializing VRAM heap.\n");
339 return r;
340 }
341 r = ttm_bo_init_mm(&qdev->mman.bdev, TTM_PL_PRIV,
342 qdev->surfaceram_size / PAGE_SIZE);
343 if (r) {
344 DRM_ERROR("Failed initializing Surfaces heap.\n");
345 return r;
346 }
347 DRM_INFO("qxl: %uM of VRAM memory size\n",
348 (unsigned int)qdev->vram_size / (1024 * 1024));
349 DRM_INFO("qxl: %luM of IO pages memory ready (VRAM domain)\n",
350 ((unsigned int)num_io_pages * PAGE_SIZE) / (1024 * 1024));
351 DRM_INFO("qxl: %uM of Surface memory size\n",
352 (unsigned int)qdev->surfaceram_size / (1024 * 1024));
353 return 0;
354}
355
356void qxl_ttm_fini(struct qxl_device *qdev)
357{
358 ttm_bo_clean_mm(&qdev->mman.bdev, TTM_PL_VRAM);
359 ttm_bo_clean_mm(&qdev->mman.bdev, TTM_PL_PRIV);
360 ttm_bo_device_release(&qdev->mman.bdev);
361 DRM_INFO("qxl: ttm finalized\n");
362}
363
364#define QXL_DEBUGFS_MEM_TYPES 2
365
366#if defined(CONFIG_DEBUG_FS)
367static int qxl_mm_dump_table(struct seq_file *m, void *data)
368{
369 struct drm_info_node *node = (struct drm_info_node *)m->private;
370 struct drm_mm *mm = (struct drm_mm *)node->info_ent->data;
371 struct drm_device *dev = node->minor->dev;
372 struct qxl_device *rdev = dev->dev_private;
373 struct ttm_bo_global *glob = rdev->mman.bdev.glob;
374 struct drm_printer p = drm_seq_file_printer(m);
375
376 spin_lock(&glob->lru_lock);
377 drm_mm_print(mm, &p);
378 spin_unlock(&glob->lru_lock);
379 return 0;
380}
381#endif
382
383int qxl_ttm_debugfs_init(struct qxl_device *qdev)
384{
385#if defined(CONFIG_DEBUG_FS)
386 static struct drm_info_list qxl_mem_types_list[QXL_DEBUGFS_MEM_TYPES];
387 static char qxl_mem_types_names[QXL_DEBUGFS_MEM_TYPES][32];
388 unsigned int i;
389
390 for (i = 0; i < QXL_DEBUGFS_MEM_TYPES; i++) {
391 if (i == 0)
392 sprintf(qxl_mem_types_names[i], "qxl_mem_mm");
393 else
394 sprintf(qxl_mem_types_names[i], "qxl_surf_mm");
395 qxl_mem_types_list[i].name = qxl_mem_types_names[i];
396 qxl_mem_types_list[i].show = &qxl_mm_dump_table;
397 qxl_mem_types_list[i].driver_features = 0;
398 if (i == 0)
399 qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_VRAM].priv;
400 else
401 qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_PRIV].priv;
402
403 }
404 return qxl_debugfs_add_files(qdev, qxl_mem_types_list, i);
405#else
406 return 0;
407#endif
408}
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 <linux/delay.h>
27
28#include <drm/drm.h>
29#include <drm/drm_file.h>
30#include <drm/drm_debugfs.h>
31#include <drm/qxl_drm.h>
32#include <drm/ttm/ttm_bo_api.h>
33#include <drm/ttm/ttm_bo_driver.h>
34#include <drm/ttm/ttm_module.h>
35#include <drm/ttm/ttm_page_alloc.h>
36#include <drm/ttm/ttm_placement.h>
37
38#include "qxl_drv.h"
39#include "qxl_object.h"
40
41static struct qxl_device *qxl_get_qdev(struct ttm_bo_device *bdev)
42{
43 struct qxl_mman *mman;
44 struct qxl_device *qdev;
45
46 mman = container_of(bdev, struct qxl_mman, bdev);
47 qdev = container_of(mman, struct qxl_device, mman);
48 return qdev;
49}
50
51static int qxl_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
52 struct ttm_mem_type_manager *man)
53{
54 switch (type) {
55 case TTM_PL_SYSTEM:
56 /* System memory */
57 man->flags = 0;
58 man->available_caching = TTM_PL_MASK_CACHING;
59 man->default_caching = TTM_PL_FLAG_CACHED;
60 break;
61 case TTM_PL_VRAM:
62 case TTM_PL_PRIV:
63 /* "On-card" video ram */
64 man->func = &ttm_bo_manager_func;
65 man->flags = TTM_MEMTYPE_FLAG_FIXED;
66 man->available_caching = TTM_PL_MASK_CACHING;
67 man->default_caching = TTM_PL_FLAG_CACHED;
68 break;
69 default:
70 DRM_ERROR("Unsupported memory type %u\n", (unsigned int)type);
71 return -EINVAL;
72 }
73 return 0;
74}
75
76static void qxl_evict_flags(struct ttm_buffer_object *bo,
77 struct ttm_placement *placement)
78{
79 struct qxl_bo *qbo;
80 static const struct ttm_place placements = {
81 .fpfn = 0,
82 .lpfn = 0,
83 .flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM
84 };
85
86 if (!qxl_ttm_bo_is_qxl_bo(bo)) {
87 placement->placement = &placements;
88 placement->busy_placement = &placements;
89 placement->num_placement = 1;
90 placement->num_busy_placement = 1;
91 return;
92 }
93 qbo = to_qxl_bo(bo);
94 qxl_ttm_placement_from_domain(qbo, QXL_GEM_DOMAIN_CPU, false);
95 *placement = qbo->placement;
96}
97
98int qxl_ttm_io_mem_reserve(struct ttm_bo_device *bdev,
99 struct ttm_mem_reg *mem)
100{
101 struct qxl_device *qdev = qxl_get_qdev(bdev);
102
103 mem->bus.addr = NULL;
104 mem->bus.offset = 0;
105 mem->bus.size = mem->num_pages << PAGE_SHIFT;
106 mem->bus.base = 0;
107 mem->bus.is_iomem = false;
108
109 switch (mem->mem_type) {
110 case TTM_PL_SYSTEM:
111 /* system memory */
112 return 0;
113 case TTM_PL_VRAM:
114 mem->bus.is_iomem = true;
115 mem->bus.base = qdev->vram_base;
116 mem->bus.offset = mem->start << PAGE_SHIFT;
117 break;
118 case TTM_PL_PRIV:
119 mem->bus.is_iomem = true;
120 mem->bus.base = qdev->surfaceram_base;
121 mem->bus.offset = mem->start << PAGE_SHIFT;
122 break;
123 default:
124 return -EINVAL;
125 }
126 return 0;
127}
128
129/*
130 * TTM backend functions.
131 */
132struct qxl_ttm_tt {
133 struct ttm_tt ttm;
134 struct qxl_device *qdev;
135 u64 offset;
136};
137
138static int qxl_ttm_backend_bind(struct ttm_tt *ttm,
139 struct ttm_mem_reg *bo_mem)
140{
141 struct qxl_ttm_tt *gtt = (void *)ttm;
142
143 gtt->offset = (unsigned long)(bo_mem->start << PAGE_SHIFT);
144 if (!ttm->num_pages) {
145 WARN(1, "nothing to bind %lu pages for mreg %p back %p!\n",
146 ttm->num_pages, bo_mem, ttm);
147 }
148 /* Not implemented */
149 return -1;
150}
151
152static void qxl_ttm_backend_unbind(struct ttm_tt *ttm)
153{
154 /* Not implemented */
155}
156
157static void qxl_ttm_backend_destroy(struct ttm_tt *ttm)
158{
159 struct qxl_ttm_tt *gtt = (void *)ttm;
160
161 ttm_tt_fini(>t->ttm);
162 kfree(gtt);
163}
164
165static struct ttm_backend_func qxl_backend_func = {
166 .bind = &qxl_ttm_backend_bind,
167 .unbind = &qxl_ttm_backend_unbind,
168 .destroy = &qxl_ttm_backend_destroy,
169};
170
171static struct ttm_tt *qxl_ttm_tt_create(struct ttm_buffer_object *bo,
172 uint32_t page_flags)
173{
174 struct qxl_device *qdev;
175 struct qxl_ttm_tt *gtt;
176
177 qdev = qxl_get_qdev(bo->bdev);
178 gtt = kzalloc(sizeof(struct qxl_ttm_tt), GFP_KERNEL);
179 if (gtt == NULL)
180 return NULL;
181 gtt->ttm.func = &qxl_backend_func;
182 gtt->qdev = qdev;
183 if (ttm_tt_init(>t->ttm, bo, page_flags)) {
184 kfree(gtt);
185 return NULL;
186 }
187 return >t->ttm;
188}
189
190static void qxl_move_null(struct ttm_buffer_object *bo,
191 struct ttm_mem_reg *new_mem)
192{
193 struct ttm_mem_reg *old_mem = &bo->mem;
194
195 BUG_ON(old_mem->mm_node != NULL);
196 *old_mem = *new_mem;
197 new_mem->mm_node = NULL;
198}
199
200static int qxl_bo_move(struct ttm_buffer_object *bo, bool evict,
201 struct ttm_operation_ctx *ctx,
202 struct ttm_mem_reg *new_mem)
203{
204 struct ttm_mem_reg *old_mem = &bo->mem;
205 int ret;
206
207 ret = ttm_bo_wait(bo, ctx->interruptible, ctx->no_wait_gpu);
208 if (ret)
209 return ret;
210
211 if (old_mem->mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) {
212 qxl_move_null(bo, new_mem);
213 return 0;
214 }
215 return ttm_bo_move_memcpy(bo, ctx, new_mem);
216}
217
218static void qxl_bo_move_notify(struct ttm_buffer_object *bo,
219 bool evict,
220 struct ttm_mem_reg *new_mem)
221{
222 struct qxl_bo *qbo;
223 struct qxl_device *qdev;
224
225 if (!qxl_ttm_bo_is_qxl_bo(bo))
226 return;
227 qbo = to_qxl_bo(bo);
228 qdev = to_qxl(qbo->tbo.base.dev);
229
230 if (bo->mem.mem_type == TTM_PL_PRIV && qbo->surface_id)
231 qxl_surface_evict(qdev, qbo, new_mem ? true : false);
232}
233
234static struct ttm_bo_driver qxl_bo_driver = {
235 .ttm_tt_create = &qxl_ttm_tt_create,
236 .init_mem_type = &qxl_init_mem_type,
237 .eviction_valuable = ttm_bo_eviction_valuable,
238 .evict_flags = &qxl_evict_flags,
239 .move = &qxl_bo_move,
240 .io_mem_reserve = &qxl_ttm_io_mem_reserve,
241 .move_notify = &qxl_bo_move_notify,
242};
243
244int qxl_ttm_init(struct qxl_device *qdev)
245{
246 int r;
247 int num_io_pages; /* != rom->num_io_pages, we include surface0 */
248
249 /* No others user of address space so set it to 0 */
250 r = ttm_bo_device_init(&qdev->mman.bdev,
251 &qxl_bo_driver,
252 qdev->ddev.anon_inode->i_mapping,
253 qdev->ddev.vma_offset_manager,
254 false);
255 if (r) {
256 DRM_ERROR("failed initializing buffer object driver(%d).\n", r);
257 return r;
258 }
259 /* NOTE: this includes the framebuffer (aka surface 0) */
260 num_io_pages = qdev->rom->ram_header_offset / PAGE_SIZE;
261 r = ttm_bo_init_mm(&qdev->mman.bdev, TTM_PL_VRAM,
262 num_io_pages);
263 if (r) {
264 DRM_ERROR("Failed initializing VRAM heap.\n");
265 return r;
266 }
267 r = ttm_bo_init_mm(&qdev->mman.bdev, TTM_PL_PRIV,
268 qdev->surfaceram_size / PAGE_SIZE);
269 if (r) {
270 DRM_ERROR("Failed initializing Surfaces heap.\n");
271 return r;
272 }
273 DRM_INFO("qxl: %uM of VRAM memory size\n",
274 (unsigned int)qdev->vram_size / (1024 * 1024));
275 DRM_INFO("qxl: %luM of IO pages memory ready (VRAM domain)\n",
276 ((unsigned int)num_io_pages * PAGE_SIZE) / (1024 * 1024));
277 DRM_INFO("qxl: %uM of Surface memory size\n",
278 (unsigned int)qdev->surfaceram_size / (1024 * 1024));
279 return 0;
280}
281
282void qxl_ttm_fini(struct qxl_device *qdev)
283{
284 ttm_bo_clean_mm(&qdev->mman.bdev, TTM_PL_VRAM);
285 ttm_bo_clean_mm(&qdev->mman.bdev, TTM_PL_PRIV);
286 ttm_bo_device_release(&qdev->mman.bdev);
287 DRM_INFO("qxl: ttm finalized\n");
288}
289
290#define QXL_DEBUGFS_MEM_TYPES 2
291
292#if defined(CONFIG_DEBUG_FS)
293static int qxl_mm_dump_table(struct seq_file *m, void *data)
294{
295 struct drm_info_node *node = (struct drm_info_node *)m->private;
296 struct drm_mm *mm = (struct drm_mm *)node->info_ent->data;
297 struct drm_printer p = drm_seq_file_printer(m);
298
299 spin_lock(&ttm_bo_glob.lru_lock);
300 drm_mm_print(mm, &p);
301 spin_unlock(&ttm_bo_glob.lru_lock);
302 return 0;
303}
304#endif
305
306void qxl_ttm_debugfs_init(struct qxl_device *qdev)
307{
308#if defined(CONFIG_DEBUG_FS)
309 static struct drm_info_list qxl_mem_types_list[QXL_DEBUGFS_MEM_TYPES];
310 static char qxl_mem_types_names[QXL_DEBUGFS_MEM_TYPES][32];
311 unsigned int i;
312
313 for (i = 0; i < QXL_DEBUGFS_MEM_TYPES; i++) {
314 if (i == 0)
315 sprintf(qxl_mem_types_names[i], "qxl_mem_mm");
316 else
317 sprintf(qxl_mem_types_names[i], "qxl_surf_mm");
318 qxl_mem_types_list[i].name = qxl_mem_types_names[i];
319 qxl_mem_types_list[i].show = &qxl_mm_dump_table;
320 qxl_mem_types_list[i].driver_features = 0;
321 if (i == 0)
322 qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_VRAM].priv;
323 else
324 qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_PRIV].priv;
325
326 }
327 qxl_debugfs_add_files(qdev, qxl_mem_types_list, i);
328#endif
329}