4483151e76
Add userspace ABI for audio userspace application IO outside of regular ALSA PCM and kcontrols. This is intended to be used to format coefficients and data for custom processing components. Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Mark Brown <broonie@kernel.org>
28 lines
898 B
C
28 lines
898 B
C
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
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/*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* Copyright(c) 2018 Intel Corporation. All rights reserved.
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*/
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#ifndef __INCLUDE_UAPI_SOUND_SOF_USER_HEADER_H__
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#define __INCLUDE_UAPI_SOUND_SOF_USER_HEADER_H__
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/*
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* 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 reserved[4]; /**< reserved for future use */
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uint32_t data[0]; /**< Component data - opaque to core */
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} __packed;
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#endif
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