![Karol Trzcinski](/assets/img/avatar_default.png)
The compiler version and description can be extracted from the extended manifest content. This information known at build time does not need to be provided in a mailbox. Signed-off-by: Karol Trzcinski <karolx.trzcinski@linux.intel.com> Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Link: https://lore.kernel.org/r/20200520165911.21696-6-kai.vehmanen@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
96 lines
3 KiB
C
96 lines
3 KiB
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) 2020 Intel Corporation. All rights reserved.
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*/
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/*
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* Extended manifest is a place to store metadata about firmware, known during
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* compilation time - for example firmware version or used compiler.
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* Given information are read on host side before firmware startup.
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* This part of output binary is not signed.
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*/
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#ifndef __SOF_FIRMWARE_EXT_MANIFEST_H__
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#define __SOF_FIRMWARE_EXT_MANIFEST_H__
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#include <linux/bits.h>
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#include <linux/compiler.h>
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#include <linux/types.h>
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#include <sound/sof/info.h>
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/* In ASCII `XMan` */
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#define SOF_EXT_MAN_MAGIC_NUMBER 0x6e614d58
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/* Build u32 number in format MMmmmppp */
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#define SOF_EXT_MAN_BUILD_VERSION(MAJOR, MINOR, PATH) ((uint32_t)( \
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((MAJOR) << 24) | \
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((MINOR) << 12) | \
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(PATH)))
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/* check extended manifest version consistency */
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#define SOF_EXT_MAN_VERSION_INCOMPATIBLE(host_ver, cli_ver) ( \
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((host_ver) & GENMASK(31, 24)) != \
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((cli_ver) & GENMASK(31, 24)))
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/* used extended manifest header version */
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#define SOF_EXT_MAN_VERSION SOF_EXT_MAN_BUILD_VERSION(1, 0, 0)
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/* extended manifest header, deleting any field breaks backward compatibility */
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struct sof_ext_man_header {
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uint32_t magic; /*< identification number, */
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/*< EXT_MAN_MAGIC_NUMBER */
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uint32_t full_size; /*< [bytes] full size of ext_man, */
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/*< (header + content + padding) */
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uint32_t header_size; /*< [bytes] makes header extensionable, */
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/*< after append new field to ext_man header */
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/*< then backward compatible won't be lost */
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uint32_t header_version; /*< value of EXT_MAN_VERSION */
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/*< not related with following content */
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/* just after this header should be list of ext_man_elem_* elements */
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} __packed;
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/* Now define extended manifest elements */
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/* Extended manifest elements types */
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enum sof_ext_man_elem_type {
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SOF_EXT_MAN_ELEM_FW_VERSION = 0,
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SOF_EXT_MAN_ELEM_WINDOW = SOF_IPC_EXT_WINDOW,
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SOF_EXT_MAN_ELEM_CC_VERSION = SOF_IPC_EXT_CC_INFO,
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};
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/* extended manifest element header */
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struct sof_ext_man_elem_header {
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uint32_t type; /*< SOF_EXT_MAN_ELEM_ */
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uint32_t size; /*< in bytes, including header size */
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/* just after this header should be type dependent content */
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} __packed;
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/* FW version */
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struct sof_ext_man_fw_version {
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struct sof_ext_man_elem_header hdr;
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/* use sof_ipc struct because of code re-use */
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struct sof_ipc_fw_version version;
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uint32_t flags;
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} __packed;
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/* extended data memory windows for IPC, trace and debug */
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struct sof_ext_man_window {
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struct sof_ext_man_elem_header hdr;
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/* use sof_ipc struct because of code re-use */
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struct sof_ipc_window ipc_window;
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} __packed;
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/* Used C compiler description */
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struct sof_ext_man_cc_version {
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struct sof_ext_man_elem_header hdr;
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/* use sof_ipc struct because of code re-use */
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struct sof_ipc_cc_version cc_version;
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} __packed;
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#endif /* __SOF_FIRMWARE_EXT_MANIFEST_H__ */
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