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7#ifndef __MSM_GEM_H__
8#define __MSM_GEM_H__
9
10#include <linux/kref.h>
11#include <linux/dma-resv.h>
12#include "drm/gpu_scheduler.h"
13#include "msm_drv.h"
14
15
16
17
18#define GEM_WARN_ON(x) WARN_RATELIMIT(x, "%s", __stringify(x))
19
20
21#define MSM_BO_STOLEN 0x10000000
22#define MSM_BO_MAP_PRIV 0x20000000
23
24struct msm_gem_address_space {
25 const char *name;
26
27
28
29 struct drm_mm mm;
30 spinlock_t lock;
31 struct msm_mmu *mmu;
32 struct kref kref;
33
34
35
36
37 struct pid *pid;
38};
39
40struct msm_gem_vma {
41 struct drm_mm_node node;
42 uint64_t iova;
43 struct msm_gem_address_space *aspace;
44 struct list_head list;
45 bool mapped;
46 int inuse;
47};
48
49struct msm_gem_object {
50 struct drm_gem_object base;
51
52 uint32_t flags;
53
54
55
56
57 uint8_t madv;
58
59
60
61
62 bool dontneed : 1;
63
64
65
66
67 bool evictable : 1;
68
69
70
71
72 uint8_t vmap_count;
73
74
75
76
77
78 struct list_head node;
79
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86
87
88
89 struct list_head mm_list;
90
91 struct page **pages;
92 struct sg_table *sgt;
93 void *vaddr;
94
95 struct list_head vmas;
96
97
98
99
100 struct drm_mm_node *vram_node;
101
102 char name[32];
103
104 int active_count;
105 int pin_count;
106};
107#define to_msm_bo(x) container_of(x, struct msm_gem_object, base)
108
109uint64_t msm_gem_mmap_offset(struct drm_gem_object *obj);
110int msm_gem_get_iova(struct drm_gem_object *obj,
111 struct msm_gem_address_space *aspace, uint64_t *iova);
112int msm_gem_get_and_pin_iova_range(struct drm_gem_object *obj,
113 struct msm_gem_address_space *aspace, uint64_t *iova,
114 u64 range_start, u64 range_end);
115int msm_gem_get_and_pin_iova_locked(struct drm_gem_object *obj,
116 struct msm_gem_address_space *aspace, uint64_t *iova);
117int msm_gem_get_and_pin_iova(struct drm_gem_object *obj,
118 struct msm_gem_address_space *aspace, uint64_t *iova);
119uint64_t msm_gem_iova(struct drm_gem_object *obj,
120 struct msm_gem_address_space *aspace);
121void msm_gem_unpin_iova_locked(struct drm_gem_object *obj,
122 struct msm_gem_address_space *aspace);
123void msm_gem_unpin_iova(struct drm_gem_object *obj,
124 struct msm_gem_address_space *aspace);
125struct page **msm_gem_get_pages(struct drm_gem_object *obj);
126void msm_gem_put_pages(struct drm_gem_object *obj);
127int msm_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
128 struct drm_mode_create_dumb *args);
129int msm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
130 uint32_t handle, uint64_t *offset);
131void *msm_gem_get_vaddr_locked(struct drm_gem_object *obj);
132void *msm_gem_get_vaddr(struct drm_gem_object *obj);
133void *msm_gem_get_vaddr_active(struct drm_gem_object *obj);
134void msm_gem_put_vaddr_locked(struct drm_gem_object *obj);
135void msm_gem_put_vaddr(struct drm_gem_object *obj);
136int msm_gem_madvise(struct drm_gem_object *obj, unsigned madv);
137void msm_gem_active_get(struct drm_gem_object *obj, struct msm_gpu *gpu);
138void msm_gem_active_put(struct drm_gem_object *obj);
139int msm_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op, ktime_t *timeout);
140int msm_gem_cpu_fini(struct drm_gem_object *obj);
141void msm_gem_free_object(struct drm_gem_object *obj);
142int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file,
143 uint32_t size, uint32_t flags, uint32_t *handle, char *name);
144struct drm_gem_object *msm_gem_new(struct drm_device *dev,
145 uint32_t size, uint32_t flags);
146void *msm_gem_kernel_new(struct drm_device *dev, uint32_t size,
147 uint32_t flags, struct msm_gem_address_space *aspace,
148 struct drm_gem_object **bo, uint64_t *iova);
149void msm_gem_kernel_put(struct drm_gem_object *bo,
150 struct msm_gem_address_space *aspace);
151struct drm_gem_object *msm_gem_import(struct drm_device *dev,
152 struct dma_buf *dmabuf, struct sg_table *sgt);
153__printf(2, 3)
154void msm_gem_object_set_name(struct drm_gem_object *bo, const char *fmt, ...);
155
156#ifdef CONFIG_DEBUG_FS
157struct msm_gem_stats {
158 struct {
159 unsigned count;
160 size_t size;
161 } all, active, resident, purgeable, purged;
162};
163
164void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m,
165 struct msm_gem_stats *stats);
166void msm_gem_describe_objects(struct list_head *list, struct seq_file *m);
167#endif
168
169static inline void
170msm_gem_lock(struct drm_gem_object *obj)
171{
172 dma_resv_lock(obj->resv, NULL);
173}
174
175static inline bool __must_check
176msm_gem_trylock(struct drm_gem_object *obj)
177{
178 return dma_resv_trylock(obj->resv);
179}
180
181static inline int
182msm_gem_lock_interruptible(struct drm_gem_object *obj)
183{
184 return dma_resv_lock_interruptible(obj->resv, NULL);
185}
186
187static inline void
188msm_gem_unlock(struct drm_gem_object *obj)
189{
190 dma_resv_unlock(obj->resv);
191}
192
193static inline bool
194msm_gem_is_locked(struct drm_gem_object *obj)
195{
196 return dma_resv_is_locked(obj->resv);
197}
198
199static inline bool is_active(struct msm_gem_object *msm_obj)
200{
201 GEM_WARN_ON(!msm_gem_is_locked(&msm_obj->base));
202 return msm_obj->active_count;
203}
204
205
206static inline bool is_unpurgeable(struct msm_gem_object *msm_obj)
207{
208 return msm_obj->base.import_attach || msm_obj->pin_count;
209}
210
211static inline bool is_purgeable(struct msm_gem_object *msm_obj)
212{
213 return (msm_obj->madv == MSM_MADV_DONTNEED) && msm_obj->sgt &&
214 !is_unpurgeable(msm_obj);
215}
216
217static inline bool is_vunmapable(struct msm_gem_object *msm_obj)
218{
219 GEM_WARN_ON(!msm_gem_is_locked(&msm_obj->base));
220 return (msm_obj->vmap_count == 0) && msm_obj->vaddr;
221}
222
223static inline void mark_purgeable(struct msm_gem_object *msm_obj)
224{
225 struct msm_drm_private *priv = msm_obj->base.dev->dev_private;
226
227 GEM_WARN_ON(!mutex_is_locked(&priv->mm_lock));
228
229 if (is_unpurgeable(msm_obj))
230 return;
231
232 if (GEM_WARN_ON(msm_obj->dontneed))
233 return;
234
235 priv->shrinkable_count += msm_obj->base.size >> PAGE_SHIFT;
236 msm_obj->dontneed = true;
237}
238
239static inline void mark_unpurgeable(struct msm_gem_object *msm_obj)
240{
241 struct msm_drm_private *priv = msm_obj->base.dev->dev_private;
242
243 GEM_WARN_ON(!mutex_is_locked(&priv->mm_lock));
244
245 if (is_unpurgeable(msm_obj))
246 return;
247
248 if (GEM_WARN_ON(!msm_obj->dontneed))
249 return;
250
251 priv->shrinkable_count -= msm_obj->base.size >> PAGE_SHIFT;
252 GEM_WARN_ON(priv->shrinkable_count < 0);
253 msm_obj->dontneed = false;
254}
255
256static inline bool is_unevictable(struct msm_gem_object *msm_obj)
257{
258 return is_unpurgeable(msm_obj) || msm_obj->vaddr;
259}
260
261static inline void mark_evictable(struct msm_gem_object *msm_obj)
262{
263 struct msm_drm_private *priv = msm_obj->base.dev->dev_private;
264
265 WARN_ON(!mutex_is_locked(&priv->mm_lock));
266
267 if (is_unevictable(msm_obj))
268 return;
269
270 if (WARN_ON(msm_obj->evictable))
271 return;
272
273 priv->evictable_count += msm_obj->base.size >> PAGE_SHIFT;
274 msm_obj->evictable = true;
275}
276
277static inline void mark_unevictable(struct msm_gem_object *msm_obj)
278{
279 struct msm_drm_private *priv = msm_obj->base.dev->dev_private;
280
281 WARN_ON(!mutex_is_locked(&priv->mm_lock));
282
283 if (is_unevictable(msm_obj))
284 return;
285
286 if (WARN_ON(!msm_obj->evictable))
287 return;
288
289 priv->evictable_count -= msm_obj->base.size >> PAGE_SHIFT;
290 WARN_ON(priv->evictable_count < 0);
291 msm_obj->evictable = false;
292}
293
294void msm_gem_purge(struct drm_gem_object *obj);
295void msm_gem_evict(struct drm_gem_object *obj);
296void msm_gem_vunmap(struct drm_gem_object *obj);
297
298
299
300
301
302struct msm_gem_submit {
303 struct drm_sched_job base;
304 struct kref ref;
305 struct drm_device *dev;
306 struct msm_gpu *gpu;
307 struct msm_gem_address_space *aspace;
308 struct list_head node;
309 struct ww_acquire_ctx ticket;
310 uint32_t seqno;
311
312
313
314 struct xarray deps;
315 unsigned long last_dep;
316
317
318
319
320 struct dma_fence *hw_fence;
321
322
323
324
325 struct dma_fence *user_fence;
326
327 int fence_id;
328 struct msm_gpu_submitqueue *queue;
329 struct pid *pid;
330 bool fault_dumped;
331 bool valid;
332 bool in_rb;
333 struct msm_ringbuffer *ring;
334 struct msm_file_private *ctx;
335 unsigned int nr_cmds;
336 unsigned int nr_bos;
337 u32 ident;
338 struct {
339 uint32_t type;
340 uint32_t size;
341 uint64_t iova;
342 uint32_t offset;
343 uint32_t idx;
344 uint32_t nr_relocs;
345 struct drm_msm_gem_submit_reloc *relocs;
346 } *cmd;
347 struct {
348 uint32_t flags;
349 union {
350 struct msm_gem_object *obj;
351 uint32_t handle;
352 };
353 uint64_t iova;
354 } bos[];
355};
356
357static inline struct msm_gem_submit *to_msm_submit(struct drm_sched_job *job)
358{
359 return container_of(job, struct msm_gem_submit, base);
360}
361
362void __msm_gem_submit_destroy(struct kref *kref);
363
364static inline void msm_gem_submit_get(struct msm_gem_submit *submit)
365{
366 kref_get(&submit->ref);
367}
368
369static inline void msm_gem_submit_put(struct msm_gem_submit *submit)
370{
371 kref_put(&submit->ref, __msm_gem_submit_destroy);
372}
373
374void msm_submit_retire(struct msm_gem_submit *submit);
375
376
377
378
379static inline bool
380should_dump(struct msm_gem_submit *submit, int idx)
381{
382 extern bool rd_full;
383 return rd_full || (submit->bos[idx].flags & MSM_SUBMIT_BO_DUMP);
384}
385
386#endif
387