linux/drivers/gpu/drm/nouveau/nvkm/engine/fifo/runl.c

/*
 * Copyright 2021 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */
#include "runl.h"
#include "cgrp.h"
#include "chan.h"
#include "chid.h"
#include "priv.h"
#include "runq.h"

#include <core/gpuobj.h>
#include <subdev/timer.h>
#include <subdev/top.h>

static struct nvkm_cgrp *
nvkm_engn_cgrp_get(struct nvkm_engn *engn, unsigned long *pirqflags)
{ … }

static void
nvkm_runl_rc(struct nvkm_runl *runl)
{ … }

static void
nvkm_runl_rc_runl(struct nvkm_runl *runl)
{ … }

void
nvkm_runl_rc_cgrp(struct nvkm_cgrp *cgrp)
{ … }

void
nvkm_runl_rc_engn(struct nvkm_runl *runl, struct nvkm_engn *engn)
{ … }

static void
nvkm_runl_work(struct work_struct *work)
{ … }

struct nvkm_chan *
nvkm_runl_chan_get_inst(struct nvkm_runl *runl, u64 inst, unsigned long *pirqflags)
{ … }

struct nvkm_chan *
nvkm_runl_chan_get_chid(struct nvkm_runl *runl, int id, unsigned long *pirqflags)
{ … }

struct nvkm_cgrp *
nvkm_runl_cgrp_get_cgid(struct nvkm_runl *runl, int id, unsigned long *pirqflags)
{ … }

int
nvkm_runl_preempt_wait(struct nvkm_runl *runl)
{ … }

bool
nvkm_runl_update_pending(struct nvkm_runl *runl)
{ … }

void
nvkm_runl_update_locked(struct nvkm_runl *runl, bool wait)
{ … }

void
nvkm_runl_allow(struct nvkm_runl *runl)
{ … }

void
nvkm_runl_block(struct nvkm_runl *runl)
{ … }

void
nvkm_runl_fini(struct nvkm_runl *runl)
{ … }

void
nvkm_runl_del(struct nvkm_runl *runl)
{ … }

struct nvkm_engn *
nvkm_runl_add(struct nvkm_runl *runl, int engi, const struct nvkm_engn_func *func,
	      enum nvkm_subdev_type type, int inst)
{ … }

struct nvkm_runl *
nvkm_runl_get(struct nvkm_fifo *fifo, int runi, u32 addr)
{ … }

struct nvkm_runl *
nvkm_runl_new(struct nvkm_fifo *fifo, int runi, u32 addr, int id_nr)
{ … }