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/event.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_create(struct nouveau_fence **, struct nouveau_channel *); 21 int nouveau_fence_new(struct nouveau_fence **, struct nouveau_channel *); 22 void nouveau_fence_unref(struct nouveau_fence **); 23 24 int nouveau_fence_emit(struct nouveau_fence *); 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 work_struct uevent_work; 48 struct nvif_event event; 49 int notify_ref, dead, killed; 50 }; 51 52 struct nouveau_fence_priv { 53 void (*dtor)(struct nouveau_drm *); 54 bool (*suspend)(struct nouveau_drm *); 55 void (*resume)(struct nouveau_drm *); 56 int (*context_new)(struct nouveau_channel *); 57 void (*context_del)(struct nouveau_channel *); 58 59 bool uevent; 60 }; 61 62 #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence) 63 64 void nouveau_fence_context_new(struct nouveau_channel *, struct nouveau_fence_chan *); 65 void nouveau_fence_context_del(struct nouveau_fence_chan *); 66 void nouveau_fence_context_free(struct nouveau_fence_chan *); 67 void nouveau_fence_context_kill(struct nouveau_fence_chan *, int error); 68 69 int nv04_fence_create(struct nouveau_drm *); 70 int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32); 71 72 int nv10_fence_emit(struct nouveau_fence *); 73 int nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *, 74 struct nouveau_channel *); 75 u32 nv10_fence_read(struct nouveau_channel *); 76 void nv10_fence_context_del(struct nouveau_channel *); 77 void nv10_fence_destroy(struct nouveau_drm *); 78 int nv10_fence_create(struct nouveau_drm *); 79 80 int nv17_fence_create(struct nouveau_drm *); 81 void nv17_fence_resume(struct nouveau_drm *drm); 82 83 int nv50_fence_create(struct nouveau_drm *); 84 int nv84_fence_create(struct nouveau_drm *); 85 int nvc0_fence_create(struct nouveau_drm *); 86 87 struct nv84_fence_chan { 88 struct nouveau_fence_chan base; 89 struct nouveau_vma *vma; 90 }; 91 92 struct nv84_fence_priv { 93 struct nouveau_fence_priv base; 94 struct nouveau_bo *bo; 95 u32 *suspend; 96 struct mutex mutex; 97 }; 98 99 int nv84_fence_context_new(struct nouveau_channel *); 100 101 #endif 102