77 lines
3.1 KiB
C
77 lines
3.1 KiB
C
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/*
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* Copyright (c) 2016, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the Intel Corporation nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
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*/
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/**
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* \file include/uapi/abi.h
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* \brief ABI definitions
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* \author Liam Girdwood <liam.r.girdwood@linux.intel.com>
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*/
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#ifndef __INCLUDE_UAPI_ABI_H__
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#define __INCLUDE_UAPI_ABI_H__
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/** \brief SOF ABI version number. */
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#define SOF_ABI_VER(major, minor, micro) \
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(((major)<<8)|((minor)<<4)|(micro))
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#define SOF_ABI_VERSION_MAJOR(version) (((version)>>8) & 0xff)
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#define SOF_ABI_VERSION_MINOR(version) (((version)>>4) & 0xf)
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#define SOF_ABI_VERSION_MICRO(version) ((version) & 0xf)
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#define SOF_ABI_VERSION_INCOMPATIBLE(sof_ver, client_ver) \
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(SOF_ABI_VERSION_MAJOR(sof_ver) != SOF_ABI_VERSION_MAJOR(client_ver) ||\
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(SOF_ABI_VERSION_MAJOR(sof_ver) == SOF_ABI_VERSION_MAJOR(client_ver) &&\
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SOF_ABI_VERSION_MINOR(sof_ver) != SOF_ABI_VERSION_MINOR(client_ver)))
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#define SOF_ABI_MAJOR 1
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#define SOF_ABI_MINOR 0
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#define SOF_ABI_MICRO 0
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#define SOF_ABI_VERSION SOF_ABI_VER(SOF_ABI_MAJOR, SOF_ABI_MINOR, SOF_ABI_MICRO)
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/** \brief SOF ABI magic number "SOF\0". */
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#define SOF_ABI_MAGIC 0x00464F53
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/**
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* \brief Header for all non IPC ABI data.
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*
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* Identifies data type, size and ABI.
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* Used by any bespoke component data structures or binary blobs.
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*/
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struct sof_abi_hdr {
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uint32_t magic; /**< 'S', 'O', 'F', '\0' */
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uint32_t type; /**< component specific type */
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uint32_t size; /**< size in bytes of data excl. this struct */
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uint32_t abi; /**< SOF ABI version */
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uint32_t comp_abi; /**< component specific ABI version */
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char data[0]; /**< data */
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} __attribute__((packed));
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#endif
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