linux/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h

/* SPDX-License-Identifier: MIT */
#ifndef __NVKM_CHAN_H__
#define __NVKM_CHAN_H__
#include <engine/fifo.h>
struct nvkm_dmaobj;
struct nvkm_engn;
struct nvkm_runl;

extern const struct nvkm_event_func nvkm_chan_event;

struct nvkm_cctx { … };

struct nvkm_chan_func { … };

int nvkm_chan_new_(const struct nvkm_chan_func *, struct nvkm_runl *, int runq, struct nvkm_cgrp *,
		   const char *name, bool priv, u32 devm, struct nvkm_vmm *, struct nvkm_dmaobj *,
		   u64 offset, u64 length, struct nvkm_memory *userd, u64 userd_bar1,
		   struct nvkm_chan **);
void nvkm_chan_del(struct nvkm_chan **);
void nvkm_chan_allow(struct nvkm_chan *);
void nvkm_chan_block(struct nvkm_chan *);
void nvkm_chan_error(struct nvkm_chan *, bool preempt);
void nvkm_chan_insert(struct nvkm_chan *);
void nvkm_chan_remove(struct nvkm_chan *, bool preempt);
void nvkm_chan_remove_locked(struct nvkm_chan *);
int nvkm_chan_preempt(struct nvkm_chan *, bool wait);
int nvkm_chan_preempt_locked(struct nvkm_chan *, bool wait);
int nvkm_chan_cctx_get(struct nvkm_chan *, struct nvkm_engn *, struct nvkm_cctx **,
		       struct nvkm_client * /*TODO: remove need for this */);
void nvkm_chan_cctx_put(struct nvkm_chan *, struct nvkm_cctx **);
void nvkm_chan_cctx_bind(struct nvkm_chan *, struct nvkm_engn *, struct nvkm_cctx *);

#define CHAN_PRCLI(c,l,p,f,a...) …
#define CHAN_PRINT(c,l,p,f,a...) …
#define CHAN_ERROR(c,f,a...) …
#define CHAN_TRACE(c,f,a...) …
#endif