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/*
* Copyright 2015 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.
*
* Authors: Ben Skeggs <bskeggs@redhat.com>
*/
#include "priv.h"
#include "chan.h"
#include <engine/fifo.h>
bool
nvkm_sw_mthd(struct nvkm_sw *sw, int chid, int subc, u32 mthd, u32 data)
{
struct nvkm_sw_chan *chan;
bool handled = false;
unsigned long flags;
spin_lock_irqsave(&sw->engine.lock, flags);
list_for_each_entry(chan, &sw->chan, head) {
if (chan->fifo->chid == chid) {
handled = nvkm_sw_chan_mthd(chan, subc, mthd, data);
list_del(&chan->head);
list_add(&chan->head, &sw->chan);
break;
}
}
spin_unlock_irqrestore(&sw->engine.lock, flags);
return handled;
}
int
nvkm_sw_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, int length, void **pobject)
{
struct nvkm_sw *sw;
int ret;
ret = nvkm_engine_create_(parent, engine, oclass, true, "sw",
"sw", length, pobject);
sw = *pobject;
if (ret)
return ret;
INIT_LIST_HEAD(&sw->chan);
return 0;
}
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