root/drivers/gpu/drm/nouveau/nouveau_fence.h

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INCLUDED FROM


   1 /* SPDX-License-Identifier: MIT */
   2 #ifndef __NOUVEAU_FENCE_H__
   3 #define __NOUVEAU_FENCE_H__
   4 
   5 #include <linux/dma-fence.h>
   6 #include <nvif/notify.h>
   7 
   8 struct nouveau_drm;
   9 struct nouveau_bo;
  10 
  11 struct nouveau_fence {
  12         struct dma_fence base;
  13 
  14         struct list_head head;
  15 
  16         struct nouveau_channel __rcu *channel;
  17         unsigned long timeout;
  18 };
  19 
  20 int  nouveau_fence_new(struct nouveau_channel *, bool sysmem,
  21                        struct nouveau_fence **);
  22 void nouveau_fence_unref(struct nouveau_fence **);
  23 
  24 int  nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
  25 bool nouveau_fence_done(struct nouveau_fence *);
  26 int  nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
  27 int  nouveau_fence_sync(struct nouveau_bo *, struct nouveau_channel *, bool exclusive, bool intr);
  28 
  29 struct nouveau_fence_chan {
  30         spinlock_t lock;
  31         struct kref fence_ref;
  32 
  33         struct list_head pending;
  34         struct list_head flip;
  35 
  36         int  (*emit)(struct nouveau_fence *);
  37         int  (*sync)(struct nouveau_fence *, struct nouveau_channel *,
  38                      struct nouveau_channel *);
  39         u32  (*read)(struct nouveau_channel *);
  40         int  (*emit32)(struct nouveau_channel *, u64, u32);
  41         int  (*sync32)(struct nouveau_channel *, u64, u32);
  42 
  43         u32 sequence;
  44         u32 context;
  45         char name[32];
  46 
  47         struct nvif_notify notify;
  48         int notify_ref, dead;
  49 };
  50 
  51 struct nouveau_fence_priv {
  52         void (*dtor)(struct nouveau_drm *);
  53         bool (*suspend)(struct nouveau_drm *);
  54         void (*resume)(struct nouveau_drm *);
  55         int  (*context_new)(struct nouveau_channel *);
  56         void (*context_del)(struct nouveau_channel *);
  57 
  58         bool uevent;
  59 };
  60 
  61 #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
  62 
  63 void nouveau_fence_context_new(struct nouveau_channel *, struct nouveau_fence_chan *);
  64 void nouveau_fence_context_del(struct nouveau_fence_chan *);
  65 void nouveau_fence_context_free(struct nouveau_fence_chan *);
  66 
  67 int nv04_fence_create(struct nouveau_drm *);
  68 int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
  69 
  70 int  nv10_fence_emit(struct nouveau_fence *);
  71 int  nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
  72                      struct nouveau_channel *);
  73 u32  nv10_fence_read(struct nouveau_channel *);
  74 void nv10_fence_context_del(struct nouveau_channel *);
  75 void nv10_fence_destroy(struct nouveau_drm *);
  76 int  nv10_fence_create(struct nouveau_drm *);
  77 
  78 int  nv17_fence_create(struct nouveau_drm *);
  79 void nv17_fence_resume(struct nouveau_drm *drm);
  80 
  81 int nv50_fence_create(struct nouveau_drm *);
  82 int nv84_fence_create(struct nouveau_drm *);
  83 int nvc0_fence_create(struct nouveau_drm *);
  84 
  85 struct nv84_fence_chan {
  86         struct nouveau_fence_chan base;
  87         struct nouveau_vma *vma;
  88 };
  89 
  90 struct nv84_fence_priv {
  91         struct nouveau_fence_priv base;
  92         struct nouveau_bo *bo;
  93         u32 *suspend;
  94         struct mutex mutex;
  95 };
  96 
  97 int  nv84_fence_context_new(struct nouveau_channel *);
  98 
  99 #endif

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