/* * 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