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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) 2020 Intel Corporation. All rights reserved.
*/
/*
* Extended manifest is a place to store metadata about firmware, known during
* compilation time - for example firmware version or used compiler.
* Given information are read on host side before firmware startup.
* This part of output binary is not signed.
*/
#ifndef __SOF_FIRMWARE_EXT_MANIFEST_H__
#define __SOF_FIRMWARE_EXT_MANIFEST_H__
#include <linux/bits.h>
#include <linux/compiler.h>
#include <linux/types.h>
#include <sound/sof/info.h>
/* In ASCII `XMan` */
#define SOF_EXT_MAN_MAGIC_NUMBER 0x6e614d58
/* Build u32 number in format MMmmmppp */
#define SOF_EXT_MAN_BUILD_VERSION(MAJOR, MINOR, PATH) ((uint32_t)( \
((MAJOR) << 24) | \
((MINOR) << 12) | \
(PATH)))
/* check extended manifest version consistency */
#define SOF_EXT_MAN_VERSION_INCOMPATIBLE(host_ver, cli_ver) ( \
((host_ver) & GENMASK(31, 24)) != \
((cli_ver) & GENMASK(31, 24)))
/* used extended manifest header version */
#define SOF_EXT_MAN_VERSION SOF_EXT_MAN_BUILD_VERSION(1, 0, 0)
/* extended manifest header, deleting any field breaks backward compatibility */
struct sof_ext_man_header {
uint32_t magic; /*< identification number, */
/*< EXT_MAN_MAGIC_NUMBER */
uint32_t full_size; /*< [bytes] full size of ext_man, */
/*< (header + content + padding) */
uint32_t header_size; /*< [bytes] makes header extensionable, */
/*< after append new field to ext_man header */
/*< then backward compatible won't be lost */
uint32_t header_version; /*< value of EXT_MAN_VERSION */
/*< not related with following content */
/* just after this header should be list of ext_man_elem_* elements */
} __packed;
/* Now define extended manifest elements */
/* Extended manifest elements types */
enum sof_ext_man_elem_type {
SOF_EXT_MAN_ELEM_FW_VERSION = 0,
};
/* extended manifest element header */
struct sof_ext_man_elem_header {
uint32_t type; /*< SOF_EXT_MAN_ELEM_ */
uint32_t size; /*< in bytes, including header size */
/* just after this header should be type dependent content */
} __packed;
/* FW version */
struct sof_ext_man_fw_version {
struct sof_ext_man_elem_header hdr;
/* use sof_ipc struct because of code re-use */
struct sof_ipc_fw_version version;
uint32_t flags;
} __packed;
#endif /* __SOF_FIRMWARE_EXT_MANIFEST_H__ */
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