LXR linux/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifotu102.c

   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
  31static u32
  32tu102_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
  38static const struct nvkm_fifo_chan_func
  39tu102_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
  51int
  52tu102_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}
  84