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

   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>
   7struct nvif_device;
   8
   9struct 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
  57int nouveau_channels_init(struct nouveau_drm *);
  58
  59int  nouveau_channel_new(struct nouveau_drm *, struct nvif_device *,
  60                         u32 arg0, u32 arg1, bool priv,
  61                         struct nouveau_channel **);
  62void nouveau_channel_del(struct nouveau_channel **);
  63int  nouveau_channel_idle(struct nouveau_channel *);
  64
  65extern int nouveau_vram_pushbuf;
  66
  67#endif
  68