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#ifndef __NOUVEAU_FENCE_H__
#define __NOUVEAU_FENCE_H__
struct nouveau_fence {
struct list_head head;
struct kref kref;
struct nouveau_channel *channel;
unsigned long timeout;
u32 sequence;
void (*work)(void *priv, bool signalled);
void *priv;
};
int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **);
struct nouveau_fence *
nouveau_fence_ref(struct nouveau_fence *);
void nouveau_fence_unref(struct nouveau_fence **);
int nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
bool nouveau_fence_done(struct nouveau_fence *);
int nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
void nouveau_fence_idle(struct nouveau_channel *);
void nouveau_fence_update(struct nouveau_channel *);
struct nouveau_fence_chan {
struct list_head pending;
spinlock_t lock;
u32 sequence;
};
struct nouveau_fence_priv {
struct nouveau_exec_engine engine;
int (*emit)(struct nouveau_fence *);
int (*sync)(struct nouveau_fence *, struct nouveau_channel *,
struct nouveau_channel *);
u32 (*read)(struct nouveau_channel *);
};
void nouveau_fence_context_new(struct nouveau_fence_chan *);
void nouveau_fence_context_del(struct nouveau_fence_chan *);
int nv04_fence_create(struct drm_device *dev);
int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
int nv10_fence_create(struct drm_device *dev);
int nv84_fence_create(struct drm_device *dev);
int nvc0_fence_create(struct drm_device *dev);
#endif
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