linux/drivers/gpu/drm/nouveau/nvkm/engine/fifo/cgrp.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 "cgrp.h"
#include "chan.h"
#include "chid.h"
#include "runl.h"
#include "priv.h"

#include <core/gpuobj.h>
#include <subdev/mmu.h>

static void
nvkm_cgrp_ectx_put(struct nvkm_cgrp *cgrp, struct nvkm_ectx **pectx)
{ … }

static int
nvkm_cgrp_ectx_get(struct nvkm_cgrp *cgrp, struct nvkm_engn *engn, struct nvkm_ectx **pectx,
		   struct nvkm_chan *chan, struct nvkm_client *client)
{ … }

void
nvkm_cgrp_vctx_put(struct nvkm_cgrp *cgrp, struct nvkm_vctx **pvctx)
{ … }

int
nvkm_cgrp_vctx_get(struct nvkm_cgrp *cgrp, struct nvkm_engn *engn, struct nvkm_chan *chan,
		   struct nvkm_vctx **pvctx, struct nvkm_client *client)
{ … }

static void
nvkm_cgrp_del(struct kref *kref)
{ … }

void
nvkm_cgrp_unref(struct nvkm_cgrp **pcgrp)
{ … }

struct nvkm_cgrp *
nvkm_cgrp_ref(struct nvkm_cgrp *cgrp)
{ … }

void
nvkm_cgrp_put(struct nvkm_cgrp **pcgrp, unsigned long irqflags)
{ … }

int
nvkm_cgrp_new(struct nvkm_runl *runl, const char *name, struct nvkm_vmm *vmm, bool hw,
	      struct nvkm_cgrp **pcgrp)
{ … }