cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ext_manifest4.h (3593B)


      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 or
      4 * redistributing this file, you may do so under either license.
      5 *
      6 * Copyright(c) 2022 Intel Corporation. All rights reserved.
      7 */
      8
      9/*
     10 * Extended manifest is a place to store metadata about firmware, known during
     11 * 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_MANIFEST4_H__
     17#define __SOF_FIRMWARE_EXT_MANIFEST4_H__
     18
     19#include <linux/uuid.h>
     20
     21/* In ASCII  $AE1 */
     22#define SOF_EXT_MAN4_MAGIC_NUMBER	0x31454124
     23
     24#define MAX_MODULE_NAME_LEN		8
     25#define MAX_FW_BINARY_NAME		8
     26#define DEFAULT_HASH_SHA256_LEN		32
     27#define SOF_MAN4_FW_HDR_OFFSET		0x2000
     28#define SOF_MAN4_FW_HDR_OFFSET_CAVS_1_5	0x284
     29
     30/*********************************************************************
     31 *	extended manifest		(struct sof_ext_manifest4_hdr)
     32 *-------------------
     33 *	css_manifest hdr
     34 *-------------------
     35 *	offset reserved for future
     36 *-------------------
     37 *	fw_hdr				(struct sof_man4_fw_binary_header)
     38 *-------------------
     39 *	module_entry[0]			(struct sof_man4_module)
     40 *-------------------
     41 *	module_entry[1]
     42 *-------------------
     43 *	...
     44 *-------------------
     45 *	module_entry[n]
     46 *-------------------
     47 *	module_config[0]		(struct sof_man4_module_config)
     48 *-------------------
     49 *	module_config[1]
     50 *-------------------
     51 *	...
     52 *-------------------
     53 *	module_config[m]
     54 *-------------------
     55 *	FW content
     56 *-------------------
     57 *********************************************************************/
     58
     59struct sof_ext_manifest4_hdr {
     60	uint32_t id;
     61	uint32_t len; /* length of extension manifest */
     62	uint16_t version_major; /* header version */
     63	uint16_t version_minor;
     64	uint32_t num_module_entries;
     65} __packed;
     66
     67struct sof_man4_fw_binary_header {
     68	/* This part must be unchanged to be backward compatible with SPT-LP ROM */
     69	uint32_t id;
     70	uint32_t len; /* sizeof(sof_man4_fw_binary_header) in bytes */
     71	uint8_t name[MAX_FW_BINARY_NAME];
     72	uint32_t preload_page_count; /* number of pages of preloaded image */
     73	uint32_t fw_image_flags;
     74	uint32_t feature_mask;
     75	uint16_t major_version; /* Firmware version */
     76	uint16_t minor_version;
     77	uint16_t hotfix_version;
     78	uint16_t build_version;
     79	uint32_t num_module_entries;
     80
     81	/* This part may change to contain any additional data for BaseFw that is skipped by ROM */
     82	uint32_t hw_buf_base_addr;
     83	uint32_t hw_buf_length;
     84	uint32_t load_offset; /* This value is used by ROM */
     85} __packed;
     86
     87struct sof_man4_segment_desc {
     88	uint32_t flags;
     89	uint32_t v_base_addr;
     90	uint32_t file_offset;
     91} __packed;
     92
     93struct sof_man4_module {
     94	uint32_t id;
     95	uint8_t name[MAX_MODULE_NAME_LEN];
     96	guid_t uuid;
     97	uint32_t type;
     98	uint8_t hash[DEFAULT_HASH_SHA256_LEN];
     99	uint32_t entry_point;
    100	uint16_t cfg_offset;
    101	uint16_t cfg_count;
    102	uint32_t affinity_mask;
    103	uint16_t instance_max_count;
    104	uint16_t instance_stack_size;
    105	struct sof_man4_segment_desc	segments[3];
    106} __packed;
    107
    108struct sof_man4_module_config {
    109	uint32_t par[4];	/* module parameters */
    110	uint32_t is_bytes;	/* actual size of instance .bss (bytes) */
    111	uint32_t cps;		/* cycles per second */
    112	uint32_t ibs;		/* input buffer size (bytes) */
    113	uint32_t obs;		/* output buffer size (bytes) */
    114	uint32_t module_flags;	/* flags, reserved for future use */
    115	uint32_t cpc;		/* cycles per single run */
    116	uint32_t obls;		/* output block size, reserved for future use */
    117} __packed;
    118
    119#endif /* __SOF_FIRMWARE_EXT_MANIFEST4_H__ */