drivers/gpu/drm/nouveau/nouveau_chan.h

   1 /* SPDX-License-Identifier: MIT */
   2 #ifndef __NOUVEAU_CHAN_H__
   3 #define __NOUVEAU_CHAN_H__
   4 #include <nvif/object.h>
   5 #include <nvif/notify.h>
   6 #include <nvif/push.h>
   7 struct nvif_device;
   8
   9 struct nouveau_channel {
  10         struct {
  11                 struct nvif_push _push;
  12                 struct nvif_push *push;
  13         } chan;
  14
  15         struct nvif_device *device;
  16         struct nouveau_drm *drm;
  17         struct nouveau_vmm *vmm;
  18
  19         int chid;
  20         u64 inst;
  21         u32 token;
  22
  23         struct nvif_object vram;
  24         struct nvif_object gart;
  25         struct nvif_object nvsw;
  26
  27         struct {
  28                 struct nouveau_bo *buffer;
  29                 struct nouveau_vma *vma;
  30                 struct nvif_object ctxdma;
  31                 u64 addr;
  32         } push;
  33
  34         /* TODO: this will be reworked in the near future */
  35         bool accel_done;
  36         void *fence;
  37         struct {
  38                 int max;
  39                 int free;
  40                 int cur;
  41                 int put;
  42                 int ib_base;
  43                 int ib_max;
  44                 int ib_free;
  45                 int ib_put;
  46         } dma;
  47         u32 user_get_hi;
  48         u32 user_get;
  49         u32 user_put;
  50
  51         struct nvif_object user;
  52
  53         struct nvif_notify kill;
  54         atomic_t killed;
  55 };
  56
  57 int nouveau_channels_init(struct nouveau_drm *);
  58
  59 int  nouveau_channel_new(struct nouveau_drm *, struct nvif_device *,
  60                          u32 arg0, u32 arg1, bool priv,
  61                          struct nouveau_channel **);
  62 void nouveau_channel_del(struct nouveau_channel **);
  63 int  nouveau_channel_idle(struct nouveau_channel *);
  64
  65 extern int nouveau_vram_pushbuf;
  66
  67 #endif