root/drivers/gpu/drm/nouveau/include/nvkm/core/msgqueue.h

/* [<][>][^][v][top][bottom][index][help] */

INCLUDED FROM


   1 /*
   2  * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
   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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  20  * DEALINGS IN THE SOFTWARE.
  21  */
  22 
  23 #ifndef __NVKM_CORE_MSGQUEUE_H
  24 #define __NVKM_CORE_MSGQUEUE_H
  25 #include <subdev/secboot.h>
  26 struct nvkm_msgqueue;
  27 
  28 /* Hopefully we will never have firmware arguments larger than that... */
  29 #define NVKM_MSGQUEUE_CMDLINE_SIZE 0x100
  30 
  31 int nvkm_msgqueue_new(u32, struct nvkm_falcon *, const struct nvkm_secboot *,
  32                       struct nvkm_msgqueue **);
  33 void nvkm_msgqueue_del(struct nvkm_msgqueue **);
  34 void nvkm_msgqueue_recv(struct nvkm_msgqueue *);
  35 int nvkm_msgqueue_reinit(struct nvkm_msgqueue *);
  36 
  37 /* useful if we run a NVIDIA-signed firmware */
  38 void nvkm_msgqueue_write_cmdline(struct nvkm_msgqueue *, void *);
  39 
  40 /* interface to ACR unit running on falcon (NVIDIA signed firmware) */
  41 int nvkm_msgqueue_acr_boot_falcons(struct nvkm_msgqueue *, unsigned long);
  42 
  43 #endif

/* [<][>][^][v][top][bottom][index][help] */