1 /* $NetBSD: nouveau_nvkm_engine_fifo_gpfifotu102.c,v 1.3 2021/12/19 10:51:57 riastradh Exp $ */
2
3 /*
4 * Copyright 2018 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24 #include <sys/cdefs.h>
25 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_fifo_gpfifotu102.c,v 1.3 2021/12/19 10:51:57 riastradh Exp $");
26
27 #include "changk104.h"
28 #include "cgrp.h"
29
30 #include <core/client.h>
31 #include <core/gpuobj.h>
32
33 #include <nvif/clc36f.h>
34 #include <nvif/unpack.h>
35
36 static u32
tu102_fifo_gpfifo_submit_token(struct nvkm_fifo_chan * base)37 tu102_fifo_gpfifo_submit_token(struct nvkm_fifo_chan *base)
38 {
39 struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
40 return (chan->runl << 16) | chan->base.chid;
41 }
42
43 static const struct nvkm_fifo_chan_func
44 tu102_fifo_gpfifo = {
45 .dtor = gk104_fifo_gpfifo_dtor,
46 .init = gk104_fifo_gpfifo_init,
47 .fini = gk104_fifo_gpfifo_fini,
48 .ntfy = gf100_fifo_chan_ntfy,
49 .engine_ctor = gk104_fifo_gpfifo_engine_ctor,
50 .engine_dtor = gk104_fifo_gpfifo_engine_dtor,
51 .engine_init = gv100_fifo_gpfifo_engine_init,
52 .engine_fini = gv100_fifo_gpfifo_engine_fini,
53 .submit_token = tu102_fifo_gpfifo_submit_token,
54 };
55
56 int
tu102_fifo_gpfifo_new(struct gk104_fifo * fifo,const struct nvkm_oclass * oclass,void * data,u32 size,struct nvkm_object ** pobject)57 tu102_fifo_gpfifo_new(struct gk104_fifo *fifo, const struct nvkm_oclass *oclass,
58 void *data, u32 size, struct nvkm_object **pobject)
59 {
60 struct nvkm_object *parent = oclass->parent;
61 union {
62 struct volta_channel_gpfifo_a_v0 v0;
63 } *args = data;
64 int ret = -ENOSYS;
65
66 nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
67 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
68 nvif_ioctl(parent, "create channel gpfifo vers %d vmm %"PRIx64" "
69 "ioffset %016"PRIx64" ilength %08x "
70 "runlist %016"PRIx64" priv %d\n",
71 args->v0.version, args->v0.vmm, args->v0.ioffset,
72 args->v0.ilength, args->v0.runlist, args->v0.priv);
73 if (args->v0.priv && !oclass->client->super)
74 return -EINVAL;
75 return gv100_fifo_gpfifo_new_(&tu102_fifo_gpfifo, fifo,
76 &args->v0.runlist,
77 &args->v0.chid,
78 args->v0.vmm,
79 args->v0.ioffset,
80 args->v0.ilength,
81 &args->v0.inst,
82 args->v0.priv,
83 &args->v0.token,
84 oclass, pobject);
85 }
86
87 return ret;
88 }
89