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