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abi.h
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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ /* * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * Copyright(c) 2018 Intel Corporation */ /** * SOF ABI versioning is based on Semantic Versioning where we have a given * MAJOR.MINOR.PATCH version number. See https://semver.org/ * * Rules for incrementing or changing version :- * * 1) Increment MAJOR version if you make incompatible API changes. MINOR and * PATCH should be reset to 0. * * 2) Increment MINOR version if you add backwards compatible features or * changes. PATCH should be reset to 0. * * 3) Increment PATCH version if you add backwards compatible bug fixes. */ #ifndef __INCLUDE_UAPI_SOUND_SOF_ABI_H__ #define __INCLUDE_UAPI_SOUND_SOF_ABI_H__ #include <linux/types.h> /* SOF ABI version major, minor and patch numbers */ #define SOF_ABI_MAJOR 3 #define SOF_ABI_MINOR 23 #define SOF_ABI_PATCH 1 /* SOF ABI version number. Format within 32bit word is MMmmmppp */ #define SOF_ABI_MAJOR_SHIFT 24 #define SOF_ABI_MAJOR_MASK 0xff #define SOF_ABI_MINOR_SHIFT 12 #define SOF_ABI_MINOR_MASK 0xfff #define SOF_ABI_PATCH_SHIFT 0 #define SOF_ABI_PATCH_MASK 0xfff #define SOF_ABI_VER(major, minor, patch) \ (((major) << SOF_ABI_MAJOR_SHIFT) | \ ((minor) << SOF_ABI_MINOR_SHIFT) | \ ((patch) << SOF_ABI_PATCH_SHIFT)) #define SOF_ABI_VERSION_MAJOR(version) \ (((version) >> SOF_ABI_MAJOR_SHIFT) & SOF_ABI_MAJOR_MASK) #define SOF_ABI_VERSION_MINOR(version) \ (((version) >> SOF_ABI_MINOR_SHIFT) & SOF_ABI_MINOR_MASK) #define SOF_ABI_VERSION_PATCH(version) \ (((version) >> SOF_ABI_PATCH_SHIFT) & SOF_ABI_PATCH_MASK) #define SOF_ABI_VERSION_INCOMPATIBLE(sof_ver, client_ver) \ (SOF_ABI_VERSION_MAJOR((sof_ver)) != \ SOF_ABI_VERSION_MAJOR((client_ver)) \ ) #define SOF_ABI_VERSION SOF_ABI_VER(SOF_ABI_MAJOR, SOF_ABI_MINOR, SOF_ABI_PATCH) /* SOF ABI magic number "SOF\0". */ #define SOF_ABI_MAGIC 0x00464F53 /* SOF IPC4 ABI magic number "SOF4". */ #define SOF_IPC4_ABI_MAGIC 0x34464F53 #endif