2 * Copyright 2015 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
22 * Authors: Ben Skeggs <bskeggs@redhat.com>
26 #include <core/notify.h>
27 #include <engine/fifo.h>
29 #include <nvif/event.h>
30 #include <nvif/unpack.h>
33 nvkm_sw_chan_mthd(struct nvkm_sw_chan *chan, int subc, u32 mthd, u32 data)
39 nvkm_event_send(&chan->event, 1, 0, NULL, 0);
43 return chan->func->mthd(chan, subc, mthd, data);
50 nvkm_sw_chan_event_ctor(struct nvkm_object *object, void *data, u32 size,
51 struct nvkm_notify *notify)
54 struct nvif_notify_uevent_req none;
58 if (!(ret = nvif_unvers(ret, &data, &size, req->none))) {
59 notify->size = sizeof(struct nvif_notify_uevent_rep);
67 static const struct nvkm_event_func
68 nvkm_sw_chan_event = {
69 .ctor = nvkm_sw_chan_event_ctor,
73 nvkm_sw_chan_dtor(struct nvkm_object *object)
75 struct nvkm_sw_chan *chan = nvkm_sw_chan(object);
76 struct nvkm_sw *sw = chan->sw;
81 data = chan->func->dtor(chan);
82 nvkm_event_fini(&chan->event);
84 spin_lock_irqsave(&sw->engine.lock, flags);
85 list_del(&chan->head);
86 spin_unlock_irqrestore(&sw->engine.lock, flags);
90 static const struct nvkm_object_func
92 .dtor = nvkm_sw_chan_dtor,
96 nvkm_sw_chan_ctor(const struct nvkm_sw_chan_func *func, struct nvkm_sw *sw,
97 struct nvkm_fifo_chan *fifo, const struct nvkm_oclass *oclass,
98 struct nvkm_sw_chan *chan)
102 nvkm_object_ctor(&nvkm_sw_chan, oclass, &chan->object);
106 spin_lock_irqsave(&sw->engine.lock, flags);
107 list_add(&chan->head, &sw->chan);
108 spin_unlock_irqrestore(&sw->engine.lock, flags);
110 return nvkm_event_init(&nvkm_sw_chan_event, 1, 1, &chan->event);