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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2013 Red Hat
4 * Author: Rob Clark <robdclark@gmail.com>
5 */
6
7#ifndef __MSM_GEM_H__
8#define __MSM_GEM_H__
9
10#include <linux/kref.h>
11#include <linux/dma-resv.h>
12#include "msm_drv.h"
13
14/* Make all GEM related WARN_ON()s ratelimited.. when things go wrong they
15 * tend to go wrong 1000s of times in a short timespan.
16 */
17#define GEM_WARN_ON(x) WARN_RATELIMIT(x, "%s", __stringify(x))
18
19/* Additional internal-use only BO flags: */
20#define MSM_BO_STOLEN 0x10000000 /* try to use stolen/splash memory */
21#define MSM_BO_MAP_PRIV 0x20000000 /* use IOMMU_PRIV when mapping */
22
23struct msm_gem_address_space {
24 const char *name;
25 /* NOTE: mm managed at the page level, size is in # of pages
26 * and position mm_node->start is in # of pages:
27 */
28 struct drm_mm mm;
29 spinlock_t lock; /* Protects drm_mm node allocation/removal */
30 struct msm_mmu *mmu;
31 struct kref kref;
32
33 /* For address spaces associated with a specific process, this
34 * will be non-NULL:
35 */
36 struct pid *pid;
37};
38
39struct msm_gem_vma {
40 struct drm_mm_node node;
41 uint64_t iova;
42 struct msm_gem_address_space *aspace;
43 struct list_head list; /* node in msm_gem_object::vmas */
44 bool mapped;
45 int inuse;
46};
47
48struct msm_gem_object {
49 struct drm_gem_object base;
50
51 uint32_t flags;
52
53 /**
54 * Advice: are the backing pages purgeable?
55 */
56 uint8_t madv;
57
58 /**
59 * Is object on inactive_dontneed list (ie. counted in priv->shrinkable_count)?
60 */
61 bool dontneed : 1;
62
63 /**
64 * Is object evictable (ie. counted in priv->evictable_count)?
65 */
66 bool evictable : 1;
67
68 /**
69 * count of active vmap'ing
70 */
71 uint8_t vmap_count;
72
73 /**
74 * Node in list of all objects (mainly for debugfs, protected by
75 * priv->obj_lock
76 */
77 struct list_head node;
78
79 /**
80 * An object is either:
81 * inactive - on priv->inactive_dontneed or priv->inactive_willneed
82 * (depending on purgeability status)
83 * active - on one one of the gpu's active_list.. well, at
84 * least for now we don't have (I don't think) hw sync between
85 * 2d and 3d one devices which have both, meaning we need to
86 * block on submit if a bo is already on other ring
87 */
88 struct list_head mm_list;
89
90 /* Transiently in the process of submit ioctl, objects associated
91 * with the submit are on submit->bo_list.. this only lasts for
92 * the duration of the ioctl, so one bo can never be on multiple
93 * submit lists.
94 */
95 struct list_head submit_entry;
96
97 struct page **pages;
98 struct sg_table *sgt;
99 void *vaddr;
100
101 struct list_head vmas; /* list of msm_gem_vma */
102
103 /* For physically contiguous buffers. Used when we don't have
104 * an IOMMU. Also used for stolen/splashscreen buffer.
105 */
106 struct drm_mm_node *vram_node;
107
108 char name[32]; /* Identifier to print for the debugfs files */
109
110 int active_count;
111 int pin_count;
112};
113#define to_msm_bo(x) container_of(x, struct msm_gem_object, base)
114
115int msm_gem_mmap_obj(struct drm_gem_object *obj,
116 struct vm_area_struct *vma);
117int msm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
118uint64_t msm_gem_mmap_offset(struct drm_gem_object *obj);
119int msm_gem_get_iova(struct drm_gem_object *obj,
120 struct msm_gem_address_space *aspace, uint64_t *iova);
121int msm_gem_get_and_pin_iova_range(struct drm_gem_object *obj,
122 struct msm_gem_address_space *aspace, uint64_t *iova,
123 u64 range_start, u64 range_end);
124int msm_gem_get_and_pin_iova_locked(struct drm_gem_object *obj,
125 struct msm_gem_address_space *aspace, uint64_t *iova);
126int msm_gem_get_and_pin_iova(struct drm_gem_object *obj,
127 struct msm_gem_address_space *aspace, uint64_t *iova);
128uint64_t msm_gem_iova(struct drm_gem_object *obj,
129 struct msm_gem_address_space *aspace);
130void msm_gem_unpin_iova_locked(struct drm_gem_object *obj,
131 struct msm_gem_address_space *aspace);
132void msm_gem_unpin_iova(struct drm_gem_object *obj,
133 struct msm_gem_address_space *aspace);
134struct page **msm_gem_get_pages(struct drm_gem_object *obj);
135void msm_gem_put_pages(struct drm_gem_object *obj);
136int msm_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
137 struct drm_mode_create_dumb *args);
138int msm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
139 uint32_t handle, uint64_t *offset);
140void *msm_gem_get_vaddr_locked(struct drm_gem_object *obj);
141void *msm_gem_get_vaddr(struct drm_gem_object *obj);
142void *msm_gem_get_vaddr_active(struct drm_gem_object *obj);
143void msm_gem_put_vaddr_locked(struct drm_gem_object *obj);
144void msm_gem_put_vaddr(struct drm_gem_object *obj);
145int msm_gem_madvise(struct drm_gem_object *obj, unsigned madv);
146int msm_gem_sync_object(struct drm_gem_object *obj,
147 struct msm_fence_context *fctx, bool exclusive);
148void msm_gem_active_get(struct drm_gem_object *obj, struct msm_gpu *gpu);
149void msm_gem_active_put(struct drm_gem_object *obj);
150int msm_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op, ktime_t *timeout);
151int msm_gem_cpu_fini(struct drm_gem_object *obj);
152void msm_gem_free_object(struct drm_gem_object *obj);
153int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file,
154 uint32_t size, uint32_t flags, uint32_t *handle, char *name);
155struct drm_gem_object *msm_gem_new(struct drm_device *dev,
156 uint32_t size, uint32_t flags);
157struct drm_gem_object *msm_gem_new_locked(struct drm_device *dev,
158 uint32_t size, uint32_t flags);
159void *msm_gem_kernel_new(struct drm_device *dev, uint32_t size,
160 uint32_t flags, struct msm_gem_address_space *aspace,
161 struct drm_gem_object **bo, uint64_t *iova);
162void *msm_gem_kernel_new_locked(struct drm_device *dev, uint32_t size,
163 uint32_t flags, struct msm_gem_address_space *aspace,
164 struct drm_gem_object **bo, uint64_t *iova);
165void msm_gem_kernel_put(struct drm_gem_object *bo,
166 struct msm_gem_address_space *aspace, bool locked);
167struct drm_gem_object *msm_gem_import(struct drm_device *dev,
168 struct dma_buf *dmabuf, struct sg_table *sgt);
169__printf(2, 3)
170void msm_gem_object_set_name(struct drm_gem_object *bo, const char *fmt, ...);
171
172#ifdef CONFIG_DEBUG_FS
173struct msm_gem_stats {
174 struct {
175 unsigned count;
176 size_t size;
177 } all, active, resident, purgeable, purged;
178};
179
180void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m,
181 struct msm_gem_stats *stats);
182void msm_gem_describe_objects(struct list_head *list, struct seq_file *m);
183#endif
184
185static inline void
186msm_gem_lock(struct drm_gem_object *obj)
187{
188 dma_resv_lock(obj->resv, NULL);
189}
190
191static inline bool __must_check
192msm_gem_trylock(struct drm_gem_object *obj)
193{
194 return dma_resv_trylock(obj->resv);
195}
196
197static inline int
198msm_gem_lock_interruptible(struct drm_gem_object *obj)
199{
200 return dma_resv_lock_interruptible(obj->resv, NULL);
201}
202
203static inline void
204msm_gem_unlock(struct drm_gem_object *obj)
205{
206 dma_resv_unlock(obj->resv);
207}
208
209static inline bool
210msm_gem_is_locked(struct drm_gem_object *obj)
211{
212 return dma_resv_is_locked(obj->resv);
213}
214
215static inline bool is_active(struct msm_gem_object *msm_obj)
216{
217 GEM_WARN_ON(!msm_gem_is_locked(&msm_obj->base));
218 return msm_obj->active_count;
219}
220
221/* imported/exported objects are not purgeable: */
222static inline bool is_unpurgeable(struct msm_gem_object *msm_obj)
223{
224 return msm_obj->base.import_attach || msm_obj->pin_count;
225}
226
227static inline bool is_purgeable(struct msm_gem_object *msm_obj)
228{
229 return (msm_obj->madv == MSM_MADV_DONTNEED) && msm_obj->sgt &&
230 !is_unpurgeable(msm_obj);
231}
232
233static inline bool is_vunmapable(struct msm_gem_object *msm_obj)
234{
235 GEM_WARN_ON(!msm_gem_is_locked(&msm_obj->base));
236 return (msm_obj->vmap_count == 0) && msm_obj->vaddr;
237}
238
239static inline void mark_purgeable(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 msm_obj->dontneed = true;
253}
254
255static inline void mark_unpurgeable(struct msm_gem_object *msm_obj)
256{
257 struct msm_drm_private *priv = msm_obj->base.dev->dev_private;
258
259 GEM_WARN_ON(!mutex_is_locked(&priv->mm_lock));
260
261 if (is_unpurgeable(msm_obj))
262 return;
263
264 if (GEM_WARN_ON(!msm_obj->dontneed))
265 return;
266
267 priv->shrinkable_count -= msm_obj->base.size >> PAGE_SHIFT;
268 GEM_WARN_ON(priv->shrinkable_count < 0);
269 msm_obj->dontneed = false;
270}
271
272static inline bool is_unevictable(struct msm_gem_object *msm_obj)
273{
274 return is_unpurgeable(msm_obj) || msm_obj->vaddr;
275}
276
277static inline void mark_evictable(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 msm_obj->evictable = true;
291}
292
293static inline void mark_unevictable(struct msm_gem_object *msm_obj)
294{
295 struct msm_drm_private *priv = msm_obj->base.dev->dev_private;
296
297 WARN_ON(!mutex_is_locked(&priv->mm_lock));
298
299 if (is_unevictable(msm_obj))
300 return;
301
302 if (WARN_ON(!msm_obj->evictable))
303 return;
304
305 priv->evictable_count -= msm_obj->base.size >> PAGE_SHIFT;
306 WARN_ON(priv->evictable_count < 0);
307 msm_obj->evictable = false;
308}
309
310void msm_gem_purge(struct drm_gem_object *obj);
311void msm_gem_evict(struct drm_gem_object *obj);
312void msm_gem_vunmap(struct drm_gem_object *obj);
313
314/* Created per submit-ioctl, to track bo's and cmdstream bufs, etc,
315 * associated with the cmdstream submission for synchronization (and
316 * make it easier to unwind when things go wrong, etc). This only
317 * lasts for the duration of the submit-ioctl.
318 */
319struct msm_gem_submit {
320 struct kref ref;
321 struct drm_device *dev;
322 struct msm_gpu *gpu;
323 struct msm_gem_address_space *aspace;
324 struct list_head node; /* node in ring submit list */
325 struct list_head bo_list;
326 struct ww_acquire_ctx ticket;
327 uint32_t seqno; /* Sequence number of the submit on the ring */
328 struct dma_fence *fence;
329 struct msm_gpu_submitqueue *queue;
330 struct pid *pid; /* submitting process */
331 bool fault_dumped; /* Limit devcoredump dumping to one per submit */
332 bool valid; /* true if no cmdstream patching needed */
333 bool in_rb; /* "sudo" mode, copy cmds into RB */
334 struct msm_ringbuffer *ring;
335 struct msm_file_private *ctx;
336 unsigned int nr_cmds;
337 unsigned int nr_bos;
338 u32 ident; /* A "identifier" for the submit for logging */
339 struct {
340 uint32_t type;
341 uint32_t size; /* in dwords */
342 uint64_t iova;
343 uint32_t offset;/* in dwords */
344 uint32_t idx; /* cmdstream buffer idx in bos[] */
345 uint32_t nr_relocs;
346 struct drm_msm_gem_submit_reloc *relocs;
347 } *cmd; /* array of size nr_cmds */
348 struct {
349 uint32_t flags;
350 union {
351 struct msm_gem_object *obj;
352 uint32_t handle;
353 };
354 uint64_t iova;
355 } bos[];
356};
357
358void __msm_gem_submit_destroy(struct kref *kref);
359
360static inline void msm_gem_submit_get(struct msm_gem_submit *submit)
361{
362 kref_get(&submit->ref);
363}
364
365static inline void msm_gem_submit_put(struct msm_gem_submit *submit)
366{
367 kref_put(&submit->ref, __msm_gem_submit_destroy);
368}
369
370/* helper to determine of a buffer in submit should be dumped, used for both
371 * devcoredump and debugfs cmdstream dumping:
372 */
373static inline bool
374should_dump(struct msm_gem_submit *submit, int idx)
375{
376 extern bool rd_full;
377 return rd_full || (submit->bos[idx].flags & MSM_SUBMIT_BO_DUMP);
378}
379
380#endif /* __MSM_GEM_H__ */
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2013 Red Hat
4 * Author: Rob Clark <robdclark@gmail.com>
5 */
6
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/drm_exec.h"
13#include "drm/gpu_scheduler.h"
14#include "msm_drv.h"
15
16/* Make all GEM related WARN_ON()s ratelimited.. when things go wrong they
17 * tend to go wrong 1000s of times in a short timespan.
18 */
19#define GEM_WARN_ON(x) WARN_RATELIMIT(x, "%s", __stringify(x))
20
21/* Additional internal-use only BO flags: */
22#define MSM_BO_STOLEN 0x10000000 /* try to use stolen/splash memory */
23#define MSM_BO_MAP_PRIV 0x20000000 /* use IOMMU_PRIV when mapping */
24
25struct msm_gem_address_space {
26 const char *name;
27 /* NOTE: mm managed at the page level, size is in # of pages
28 * and position mm_node->start is in # of pages:
29 */
30 struct drm_mm mm;
31 spinlock_t lock; /* Protects drm_mm node allocation/removal */
32 struct msm_mmu *mmu;
33 struct kref kref;
34
35 /* For address spaces associated with a specific process, this
36 * will be non-NULL:
37 */
38 struct pid *pid;
39
40 /* @faults: the number of GPU hangs associated with this address space */
41 int faults;
42
43 /** @va_start: lowest possible address to allocate */
44 uint64_t va_start;
45
46 /** @va_size: the size of the address space (in bytes) */
47 uint64_t va_size;
48};
49
50struct msm_gem_address_space *
51msm_gem_address_space_get(struct msm_gem_address_space *aspace);
52
53void msm_gem_address_space_put(struct msm_gem_address_space *aspace);
54
55struct msm_gem_address_space *
56msm_gem_address_space_create(struct msm_mmu *mmu, const char *name,
57 u64 va_start, u64 size);
58
59struct msm_fence_context;
60
61struct msm_gem_vma {
62 struct drm_mm_node node;
63 uint64_t iova;
64 struct msm_gem_address_space *aspace;
65 struct list_head list; /* node in msm_gem_object::vmas */
66 bool mapped;
67};
68
69struct msm_gem_vma *msm_gem_vma_new(struct msm_gem_address_space *aspace);
70int msm_gem_vma_init(struct msm_gem_vma *vma, int size,
71 u64 range_start, u64 range_end);
72void msm_gem_vma_purge(struct msm_gem_vma *vma);
73int msm_gem_vma_map(struct msm_gem_vma *vma, int prot, struct sg_table *sgt, int size);
74void msm_gem_vma_close(struct msm_gem_vma *vma);
75
76struct msm_gem_object {
77 struct drm_gem_object base;
78
79 uint32_t flags;
80
81 /**
82 * madv: are the backing pages purgeable?
83 *
84 * Protected by obj lock and LRU lock
85 */
86 uint8_t madv;
87
88 /**
89 * count of active vmap'ing
90 */
91 uint8_t vmap_count;
92
93 /**
94 * Node in list of all objects (mainly for debugfs, protected by
95 * priv->obj_lock
96 */
97 struct list_head node;
98
99 struct page **pages;
100 struct sg_table *sgt;
101 void *vaddr;
102
103 struct list_head vmas; /* list of msm_gem_vma */
104
105 /* For physically contiguous buffers. Used when we don't have
106 * an IOMMU. Also used for stolen/splashscreen buffer.
107 */
108 struct drm_mm_node *vram_node;
109
110 char name[32]; /* Identifier to print for the debugfs files */
111
112 /* userspace metadata backchannel */
113 void *metadata;
114 u32 metadata_size;
115
116 /**
117 * pin_count: Number of times the pages are pinned
118 *
119 * Protected by LRU lock.
120 */
121 int pin_count;
122};
123#define to_msm_bo(x) container_of(x, struct msm_gem_object, base)
124
125uint64_t msm_gem_mmap_offset(struct drm_gem_object *obj);
126int msm_gem_pin_vma_locked(struct drm_gem_object *obj, struct msm_gem_vma *vma);
127void msm_gem_unpin_locked(struct drm_gem_object *obj);
128void msm_gem_unpin_active(struct drm_gem_object *obj);
129struct msm_gem_vma *msm_gem_get_vma_locked(struct drm_gem_object *obj,
130 struct msm_gem_address_space *aspace);
131int msm_gem_get_iova(struct drm_gem_object *obj,
132 struct msm_gem_address_space *aspace, uint64_t *iova);
133int msm_gem_set_iova(struct drm_gem_object *obj,
134 struct msm_gem_address_space *aspace, uint64_t iova);
135int msm_gem_get_and_pin_iova_range(struct drm_gem_object *obj,
136 struct msm_gem_address_space *aspace, uint64_t *iova,
137 u64 range_start, u64 range_end);
138int msm_gem_get_and_pin_iova(struct drm_gem_object *obj,
139 struct msm_gem_address_space *aspace, uint64_t *iova);
140void msm_gem_unpin_iova(struct drm_gem_object *obj,
141 struct msm_gem_address_space *aspace);
142void msm_gem_pin_obj_locked(struct drm_gem_object *obj);
143struct page **msm_gem_pin_pages(struct drm_gem_object *obj);
144void msm_gem_unpin_pages(struct drm_gem_object *obj);
145int msm_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
146 struct drm_mode_create_dumb *args);
147int msm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
148 uint32_t handle, uint64_t *offset);
149void *msm_gem_get_vaddr_locked(struct drm_gem_object *obj);
150void *msm_gem_get_vaddr(struct drm_gem_object *obj);
151void *msm_gem_get_vaddr_active(struct drm_gem_object *obj);
152void msm_gem_put_vaddr_locked(struct drm_gem_object *obj);
153void msm_gem_put_vaddr(struct drm_gem_object *obj);
154int msm_gem_madvise(struct drm_gem_object *obj, unsigned madv);
155bool msm_gem_active(struct drm_gem_object *obj);
156int msm_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op, ktime_t *timeout);
157int msm_gem_cpu_fini(struct drm_gem_object *obj);
158int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file,
159 uint32_t size, uint32_t flags, uint32_t *handle, char *name);
160struct drm_gem_object *msm_gem_new(struct drm_device *dev,
161 uint32_t size, uint32_t flags);
162void *msm_gem_kernel_new(struct drm_device *dev, uint32_t size,
163 uint32_t flags, struct msm_gem_address_space *aspace,
164 struct drm_gem_object **bo, uint64_t *iova);
165void msm_gem_kernel_put(struct drm_gem_object *bo,
166 struct msm_gem_address_space *aspace);
167struct drm_gem_object *msm_gem_import(struct drm_device *dev,
168 struct dma_buf *dmabuf, struct sg_table *sgt);
169__printf(2, 3)
170void msm_gem_object_set_name(struct drm_gem_object *bo, const char *fmt, ...);
171
172#ifdef CONFIG_DEBUG_FS
173struct msm_gem_stats {
174 struct {
175 unsigned count;
176 size_t size;
177 } all, active, resident, purgeable, purged;
178};
179
180void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m,
181 struct msm_gem_stats *stats);
182void msm_gem_describe_objects(struct list_head *list, struct seq_file *m);
183#endif
184
185static inline void
186msm_gem_lock(struct drm_gem_object *obj)
187{
188 dma_resv_lock(obj->resv, NULL);
189}
190
191static inline int
192msm_gem_lock_interruptible(struct drm_gem_object *obj)
193{
194 return dma_resv_lock_interruptible(obj->resv, NULL);
195}
196
197static inline void
198msm_gem_unlock(struct drm_gem_object *obj)
199{
200 dma_resv_unlock(obj->resv);
201}
202
203static inline void
204msm_gem_assert_locked(struct drm_gem_object *obj)
205{
206 /*
207 * Destroying the object is a special case.. msm_gem_free_object()
208 * calls many things that WARN_ON if the obj lock is not held. But
209 * acquiring the obj lock in msm_gem_free_object() can cause a
210 * locking order inversion between reservation_ww_class_mutex and
211 * fs_reclaim.
212 *
213 * This deadlock is not actually possible, because no one should
214 * be already holding the lock when msm_gem_free_object() is called.
215 * Unfortunately lockdep is not aware of this detail. So when the
216 * refcount drops to zero, we pretend it is already locked.
217 */
218 lockdep_assert_once(
219 (kref_read(&obj->refcount) == 0) ||
220 (lockdep_is_held(&obj->resv->lock.base) != LOCK_STATE_NOT_HELD)
221 );
222}
223
224/* imported/exported objects are not purgeable: */
225static inline bool is_unpurgeable(struct msm_gem_object *msm_obj)
226{
227 return msm_obj->base.import_attach || msm_obj->pin_count;
228}
229
230static inline bool is_purgeable(struct msm_gem_object *msm_obj)
231{
232 return (msm_obj->madv == MSM_MADV_DONTNEED) && msm_obj->sgt &&
233 !is_unpurgeable(msm_obj);
234}
235
236static inline bool is_vunmapable(struct msm_gem_object *msm_obj)
237{
238 msm_gem_assert_locked(&msm_obj->base);
239 return (msm_obj->vmap_count == 0) && msm_obj->vaddr;
240}
241
242static inline bool is_unevictable(struct msm_gem_object *msm_obj)
243{
244 return is_unpurgeable(msm_obj) || msm_obj->vaddr;
245}
246
247void msm_gem_purge(struct drm_gem_object *obj);
248void msm_gem_evict(struct drm_gem_object *obj);
249void msm_gem_vunmap(struct drm_gem_object *obj);
250
251/* Created per submit-ioctl, to track bo's and cmdstream bufs, etc,
252 * associated with the cmdstream submission for synchronization (and
253 * make it easier to unwind when things go wrong, etc).
254 */
255struct msm_gem_submit {
256 struct drm_sched_job base;
257 struct kref ref;
258 struct drm_device *dev;
259 struct msm_gpu *gpu;
260 struct msm_gem_address_space *aspace;
261 struct list_head node; /* node in ring submit list */
262 struct drm_exec exec;
263 uint32_t seqno; /* Sequence number of the submit on the ring */
264
265 /* Hw fence, which is created when the scheduler executes the job, and
266 * is signaled when the hw finishes (via seqno write from cmdstream)
267 */
268 struct dma_fence *hw_fence;
269
270 /* Userspace visible fence, which is signaled by the scheduler after
271 * the hw_fence is signaled.
272 */
273 struct dma_fence *user_fence;
274
275 int fence_id; /* key into queue->fence_idr */
276 struct msm_gpu_submitqueue *queue;
277 struct pid *pid; /* submitting process */
278 bool bos_pinned : 1;
279 bool fault_dumped:1;/* Limit devcoredump dumping to one per submit */
280 bool in_rb : 1; /* "sudo" mode, copy cmds into RB */
281 struct msm_ringbuffer *ring;
282 unsigned int nr_cmds;
283 unsigned int nr_bos;
284 u32 ident; /* A "identifier" for the submit for logging */
285 struct {
286 uint32_t type;
287 uint32_t size; /* in dwords */
288 uint64_t iova;
289 uint32_t offset;/* in dwords */
290 uint32_t idx; /* cmdstream buffer idx in bos[] */
291 uint32_t nr_relocs;
292 struct drm_msm_gem_submit_reloc *relocs;
293 } *cmd; /* array of size nr_cmds */
294 struct {
295 uint32_t flags;
296 union {
297 struct drm_gem_object *obj;
298 uint32_t handle;
299 };
300 uint64_t iova;
301 } bos[];
302};
303
304static inline struct msm_gem_submit *to_msm_submit(struct drm_sched_job *job)
305{
306 return container_of(job, struct msm_gem_submit, base);
307}
308
309void __msm_gem_submit_destroy(struct kref *kref);
310
311static inline void msm_gem_submit_get(struct msm_gem_submit *submit)
312{
313 kref_get(&submit->ref);
314}
315
316static inline void msm_gem_submit_put(struct msm_gem_submit *submit)
317{
318 kref_put(&submit->ref, __msm_gem_submit_destroy);
319}
320
321void msm_submit_retire(struct msm_gem_submit *submit);
322
323/* helper to determine of a buffer in submit should be dumped, used for both
324 * devcoredump and debugfs cmdstream dumping:
325 */
326static inline bool
327should_dump(struct msm_gem_submit *submit, int idx)
328{
329 extern bool rd_full;
330 return rd_full || (submit->bos[idx].flags & MSM_SUBMIT_BO_DUMP);
331}
332
333#endif /* __MSM_GEM_H__ */