blob: bf3e532665fbf93b91d87611c1dc0a623d73c9bf [file] [log] [blame]
/*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef __NVKM_CORE_MSGQUEUE_H
#define __NVKM_CORE_MSGQUEUE_H
#include <subdev/secboot.h>
struct nvkm_msgqueue;
/* Hopefully we will never have firmware arguments larger than that... */
#define NVKM_MSGQUEUE_CMDLINE_SIZE 0x100
int nvkm_msgqueue_new(u32, struct nvkm_falcon *, const struct nvkm_secboot *,
struct nvkm_msgqueue **);
void nvkm_msgqueue_del(struct nvkm_msgqueue **);
void nvkm_msgqueue_recv(struct nvkm_msgqueue *);
int nvkm_msgqueue_reinit(struct nvkm_msgqueue *);
/* useful if we run a NVIDIA-signed firmware */
void nvkm_msgqueue_write_cmdline(struct nvkm_msgqueue *, void *);
/* interface to ACR unit running on falcon (NVIDIA signed firmware) */
int nvkm_msgqueue_acr_boot_falcons(struct nvkm_msgqueue *, unsigned long);
#endif