include/uapi/sound/sof/abi.h

Source file repositories/reference/linux-study-clean/include/uapi/sound/sof/abi.h

File Facts

System
Linux kernel
Corpus path
include/uapi/sound/sof/abi.h
Extension
.h
Size
2118 bytes
Lines
67
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

#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

Annotation

Implementation Notes