LXR linux/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>
   7struct nvkm_fault_data;
   8
   9#define NVKM_FIFO_CHID_NR 4096
  10#define NVKM_FIFO_ENGN_NR 16
  11
  12struct nvkm_fifo_engn {
  13        struct nvkm_object *object;
  14        int refcount;
  15        int usecount;
  16};
  17
  18struct nvkm_fifo_chan {
  19        const struct nvkm_fifo_chan_func *func;
  20        struct nvkm_fifo *fifo;
  21        u32 engm;
  22        struct nvkm_object object;
  23
  24        struct list_head head;
  25        u16 chid;
  26        struct nvkm_gpuobj *inst;
  27        struct nvkm_gpuobj *push;
  28        struct nvkm_vmm *vmm;
  29        void __iomem *user;
  30        u64 addr;
  31        u32 size;
  32
  33        struct nvkm_fifo_engn engn[NVKM_FIFO_ENGN_NR];
  34};
  35
  36struct nvkm_fifo {
  37        const struct nvkm_fifo_func *func;
  38        struct nvkm_engine engine;
  39
  40        DECLARE_BITMAP(mask, NVKM_FIFO_CHID_NR);
  41        int nr;
  42        struct list_head chan;
  43        spinlock_t lock;
  44        struct mutex mutex;
  45
  46        struct nvkm_event uevent; /* async user trigger */
  47        struct nvkm_event cevent; /* channel creation event */
  48        struct nvkm_event kevent; /* channel killed */
  49};
  50
  51void nvkm_fifo_fault(struct nvkm_fifo *, struct nvkm_fault_data *);
  52void nvkm_fifo_pause(struct nvkm_fifo *, unsigned long *);
  53void nvkm_fifo_start(struct nvkm_fifo *, unsigned long *);
  54
  55void nvkm_fifo_chan_put(struct nvkm_fifo *, unsigned long flags,
  56                        struct nvkm_fifo_chan **);
  57struct nvkm_fifo_chan *
  58nvkm_fifo_chan_inst(struct nvkm_fifo *, u64 inst, unsigned long *flags);
  59struct nvkm_fifo_chan *
  60nvkm_fifo_chan_chid(struct nvkm_fifo *, int chid, unsigned long *flags);
  61
  62int nv04_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  63int nv10_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  64int nv17_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  65int nv40_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  66int nv50_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  67int g84_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  68int gf100_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  69int gk104_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  70int gk110_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  71int gk208_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  72int gk20a_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  73int gm107_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  74int gm200_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  75int gm20b_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  76int gp100_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  77int gp10b_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  78int gv100_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  79int tu102_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  80int ga102_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **);
  81#endif
  82