1 /*
2 * Copyright 2018 Red Hat Inc.
3 *
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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
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.
21 */
22 #include "changk104.h"
23 #include "cgrp.h"
24
25 #include <core/client.h>
26 #include <core/gpuobj.h>
27
28 #include <nvif/clc36f.h>
29 #include <nvif/unpack.h>
30
31 static u32
32 tu102_fifo_gpfifo_submit_token(struct nvkm_fifo_chan *base)
33 {
34 struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
35 return (chan->runl << 16) | chan->base.chid;
36 }
37
38 static const struct nvkm_fifo_chan_func
39 tu102_fifo_gpfifo = {
40 .dtor = gk104_fifo_gpfifo_dtor,
41 .init = gk104_fifo_gpfifo_init,
42 .fini = gk104_fifo_gpfifo_fini,
43 .ntfy = gf100_fifo_chan_ntfy,
44 .engine_ctor = gk104_fifo_gpfifo_engine_ctor,
45 .engine_dtor = gk104_fifo_gpfifo_engine_dtor,
46 .engine_init = gv100_fifo_gpfifo_engine_init,
47 .engine_fini = gv100_fifo_gpfifo_engine_fini,
48 .submit_token = tu102_fifo_gpfifo_submit_token,
49 };
50
51 int
52 tu102_fifo_gpfifo_new(struct gk104_fifo *fifo, const struct nvkm_oclass *oclass,
53 void *data, u32 size, struct nvkm_object **pobject)
54 {
55 struct nvkm_object *parent = oclass->parent;
56 union {
57 struct volta_channel_gpfifo_a_v0 v0;
58 } *args = data;
59 int ret = -ENOSYS;
60
61 nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
62 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
63 nvif_ioctl(parent, "create channel gpfifo vers %d vmm %llx "
64 "ioffset %016llx ilength %08x "
65 "runlist %016llx priv %d\n",
66 args->v0.version, args->v0.vmm, args->v0.ioffset,
67 args->v0.ilength, args->v0.runlist, args->v0.priv);
68 if (args->v0.priv && !oclass->client->super)
69 return -EINVAL;
70 return gv100_fifo_gpfifo_new_(&tu102_fifo_gpfifo, fifo,
71 &args->v0.runlist,
72 &args->v0.chid,
73 args->v0.vmm,
74 args->v0.ioffset,
75 args->v0.ilength,
76 &args->v0.inst,
77 args->v0.priv,
78 &args->v0.token,
79 oclass, pobject);
80 }
81
82 return ret;
83 }