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      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
     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
     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