LXR linux/drivers/gpu/drm/nouveau/nouveau

   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
   8struct nouveau_drm;
   9struct nouveau_bo;
  10
  11struct 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
  20int  nouveau_fence_new(struct nouveau_channel *, bool sysmem,
  21                       struct nouveau_fence **);
  22void nouveau_fence_unref(struct nouveau_fence **);
  23
  24int  nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
  25bool nouveau_fence_done(struct nouveau_fence *);
  26int  nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
  27int  nouveau_fence_sync(struct nouveau_bo *, struct nouveau_channel *, bool exclusive, bool intr);
  28
  29struct 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
  51struct 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
  63void nouveau_fence_context_new(struct nouveau_channel *, struct nouveau_fence_chan *);
  64void nouveau_fence_context_del(struct nouveau_fence_chan *);
  65void nouveau_fence_context_free(struct nouveau_fence_chan *);
  66void nouveau_fence_context_kill(struct nouveau_fence_chan *, int error);
  67
  68int nv04_fence_create(struct nouveau_drm *);
  69int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
  70
  71int  nv10_fence_emit(struct nouveau_fence *);
  72int  nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
  73                     struct nouveau_channel *);
  74u32  nv10_fence_read(struct nouveau_channel *);
  75void nv10_fence_context_del(struct nouveau_channel *);
  76void nv10_fence_destroy(struct nouveau_drm *);
  77int  nv10_fence_create(struct nouveau_drm *);
  78
  79int  nv17_fence_create(struct nouveau_drm *);
  80void nv17_fence_resume(struct nouveau_drm *drm);
  81
  82int nv50_fence_create(struct nouveau_drm *);
  83int nv84_fence_create(struct nouveau_drm *);
  84int nvc0_fence_create(struct nouveau_drm *);
  85
  86struct nv84_fence_chan {
  87        struct nouveau_fence_chan base;
  88        struct nouveau_vma *vma;
  89};
  90
  91struct nv84_fence_priv {
  92        struct nouveau_fence_priv base;
  93        struct nouveau_bo *bo;
  94        u32 *suspend;
  95        struct mutex mutex;
  96};
  97
  98int  nv84_fence_context_new(struct nouveau_channel *);
  99
 100#endif
 101