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brintos / linux-shallow public Read only

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1/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */2/*3 * This file is provided under a dual BSD/GPLv2 license.  When using or4 * redistributing this file, you may do so under either license.5 *6 * Copyright(c) 2020 Intel Corporation7 */8 9/*10 * Extended manifest is a place to store metadata about firmware, known during11 * compilation time - for example firmware version or used compiler.12 * Given information are read on host side before firmware startup.13 * This part of output binary is not signed.14 */15 16#ifndef __SOF_FIRMWARE_EXT_MANIFEST_H__17#define __SOF_FIRMWARE_EXT_MANIFEST_H__18 19#include <linux/bits.h>20#include <linux/compiler.h>21#include <linux/types.h>22#include <sound/sof/info.h>23 24/* In ASCII `XMan` */25#define SOF_EXT_MAN_MAGIC_NUMBER	0x6e614d5826 27/* Build u32 number in format MMmmmppp */28#define SOF_EXT_MAN_BUILD_VERSION(MAJOR, MINOR, PATH) ((uint32_t)( \29	((MAJOR) << 24) | \30	((MINOR) << 12) | \31	(PATH)))32 33/* check extended manifest version consistency */34#define SOF_EXT_MAN_VERSION_INCOMPATIBLE(host_ver, cli_ver) ( \35	((host_ver) & GENMASK(31, 24)) != \36	((cli_ver) & GENMASK(31, 24)))37 38/* used extended manifest header version */39#define SOF_EXT_MAN_VERSION		SOF_EXT_MAN_BUILD_VERSION(1, 0, 0)40 41/* extended manifest header, deleting any field breaks backward compatibility */42struct sof_ext_man_header {43	uint32_t magic;		/*< identification number, */44				/*< EXT_MAN_MAGIC_NUMBER */45	uint32_t full_size;	/*< [bytes] full size of ext_man, */46				/*< (header + content + padding) */47	uint32_t header_size;	/*< [bytes] makes header extensionable, */48				/*< after append new field to ext_man header */49				/*< then backward compatible won't be lost */50	uint32_t header_version; /*< value of EXT_MAN_VERSION */51				/*< not related with following content */52 53	/* just after this header should be list of ext_man_elem_* elements */54} __packed;55 56/* Now define extended manifest elements */57 58/* Extended manifest elements types */59enum sof_ext_man_elem_type {60	SOF_EXT_MAN_ELEM_FW_VERSION		= 0,61	SOF_EXT_MAN_ELEM_WINDOW			= 1,62	SOF_EXT_MAN_ELEM_CC_VERSION		= 2,63	SOF_EXT_MAN_ELEM_DBG_ABI		= 4,64	SOF_EXT_MAN_ELEM_CONFIG_DATA		= 5, /**< ABI3.17 */65	SOF_EXT_MAN_ELEM_PLATFORM_CONFIG_DATA   = 6,66};67 68/* extended manifest element header */69struct sof_ext_man_elem_header {70	uint32_t type;		/*< SOF_EXT_MAN_ELEM_ */71	uint32_t size;		/*< in bytes, including header size */72 73	/* just after this header should be type dependent content */74} __packed;75 76/* FW version */77struct sof_ext_man_fw_version {78	struct sof_ext_man_elem_header hdr;79	/* use sof_ipc struct because of code re-use */80	struct sof_ipc_fw_version version;81	uint32_t flags;82} __packed;83 84/* extended data memory windows for IPC, trace and debug */85struct sof_ext_man_window {86	struct sof_ext_man_elem_header hdr;87	/* use sof_ipc struct because of code re-use */88	struct sof_ipc_window ipc_window;89} __packed;90 91/* Used C compiler description */92struct sof_ext_man_cc_version {93	struct sof_ext_man_elem_header hdr;94	/* use sof_ipc struct because of code re-use */95	struct sof_ipc_cc_version cc_version;96} __packed;97 98struct ext_man_dbg_abi {99	struct sof_ext_man_elem_header hdr;100	/* use sof_ipc struct because of code re-use */101	struct sof_ipc_user_abi_version dbg_abi;102} __packed;103 104/* EXT_MAN_ELEM_CONFIG_DATA elements identificators, ABI3.17 */105enum config_elem_type {106	SOF_EXT_MAN_CONFIG_EMPTY		= 0,107	SOF_EXT_MAN_CONFIG_IPC_MSG_SIZE		= 1,108	SOF_EXT_MAN_CONFIG_MEMORY_USAGE_SCAN	= 2, /**< ABI 3.18 */109};110 111struct sof_config_elem {112	uint32_t token;113	uint32_t value;114} __packed;115 116/* firmware configuration information */117struct sof_ext_man_config_data {118	struct sof_ext_man_elem_header hdr;119 120	struct sof_config_elem elems[];121} __packed;122 123#endif /* __SOF_FIRMWARE_EXT_MANIFEST_H__ */124