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
tu102_fifo_gpfifo_submit_token(struct nvkm_fifo_chan * base)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
tu102_fifo_gpfifo_new(struct gk104_fifo * fifo,const struct nvkm_oclass * oclass,void * data,u32 size,struct nvkm_object ** pobject)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 		return gv100_fifo_gpfifo_new_(&tu102_fifo_gpfifo, fifo,
69 					      &args->v0.runlist,
70 					      &args->v0.chid,
71 					       args->v0.vmm,
72 					       args->v0.ioffset,
73 					       args->v0.ilength,
74 					      &args->v0.inst,
75 					       args->v0.priv,
76 					      &args->v0.token,
77 					      oclass, pobject);
78 	}
79 
80 	return ret;
81 }
82