drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h

   1 /* SPDX-License-Identifier: MIT */
   2 #ifndef __NVKM_FIFO_H__
   3 #define __NVKM_FIFO_H__
   4 #include <core/engine.h>
   5 #include <core/object.h>
   6 #include <core/event.h>
   7 struct nvkm_fault_data;
   8
   9 #define NVKM_FIFO_CHID_NR 4096
  10
  11 struct nvkm_fifo_engn {
  12         struct nvkm_object *object;
  13         int refcount;
  14         int usecount;
  15 };
  16
  17 struct nvkm_fifo_chan {
  18         const struct nvkm_fifo_chan_func *func;
  19         struct nvkm_fifo *fifo;
  20         u64 engines;
  21         struct nvkm_object object;
  22
  23         struct list_head head;
  24         u16 chid;
  25         struct nvkm_gpuobj *inst;
  26         struct nvkm_gpuobj *push;
  27         struct nvkm_vmm *vmm;
  28         void __iomem *user;
  29         u64 addr;
  30         u32 size;
  31
  32         struct nvkm_fifo_engn engn[NVKM_SUBDEV_NR];
  33 };
  34
  35 struct nvkm_fifo {
  36         const struct nvkm_fifo_func *func;
  37         struct nvkm_engine engine;
  38
  39         DECLARE_BITMAP(mask, NVKM_FIFO_CHID_NR);
  40         int nr;
  41         struct list_head chan;
  42         spinlock_t lock;
  43
  44         struct nvkm_event uevent; /* async user trigger */
  45         struct nvkm_event cevent; /* channel creation event */
  46         struct nvkm_event kevent; /* channel killed */
  47 };
  48
  49 void nvkm_fifo_fault(struct nvkm_fifo *, struct nvkm_fault_data *);
  50 void nvkm_fifo_pause(struct nvkm_fifo *, unsigned long *);
  51 void nvkm_fifo_start(struct nvkm_fifo *, unsigned long *);
  52
  53 void nvkm_fifo_chan_put(struct nvkm_fifo *, unsigned long flags,
  54                         struct nvkm_fifo_chan **);
  55 struct nvkm_fifo_chan *
  56 nvkm_fifo_chan_inst(struct nvkm_fifo *, u64 inst, unsigned long *flags);
  57 struct nvkm_fifo_chan *
  58 nvkm_fifo_chan_chid(struct nvkm_fifo *, int chid, unsigned long *flags);
  59
  60 int nv04_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  61 int nv10_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  62 int nv17_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  63 int nv40_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  64 int nv50_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  65 int g84_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  66 int gf100_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  67 int gk104_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  68 int gk110_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  69 int gk208_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  70 int gk20a_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  71 int gm107_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  72 int gm200_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  73 int gm20b_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  74 int gp100_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  75 int gp10b_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  76 int gv100_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  77 int tu102_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  78 #endif