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
  11struct nvkm_fifo_engn {
  12        struct nvkm_object *object;
  13        int refcount;
  14        int usecount;
  15};
  16
  17struct 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
  35struct 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
  49void nvkm_fifo_fault(struct nvkm_fifo *, struct nvkm_fault_data *);
  50void nvkm_fifo_pause(struct nvkm_fifo *, unsigned long *);
  51void nvkm_fifo_start(struct nvkm_fifo *, unsigned long *);
  52
  53void nvkm_fifo_chan_put(struct nvkm_fifo *, unsigned long flags,
  54                        struct nvkm_fifo_chan **);
  55struct nvkm_fifo_chan *
  56nvkm_fifo_chan_inst(struct nvkm_fifo *, u64 inst, unsigned long *flags);
  57struct nvkm_fifo_chan *
  58nvkm_fifo_chan_chid(struct nvkm_fifo *, int chid, unsigned long *flags);
  59
  60int nv04_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  61int nv10_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  62int nv17_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  63int nv40_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  64int nv50_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  65int g84_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  66int gf100_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  67int gk104_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  68int gk110_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  69int gk208_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  70int gk20a_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  71int gm107_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  72int gm200_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  73int gm20b_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  74int gp100_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  75int gp10b_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  76int gv100_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  77int tu102_fifo_new(struct nvkm_device *, int, struct nvkm_fifo **);
  78#endif
  79