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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fw.h (2222B)

      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) 2018 Intel Corporation. All rights reserved.
      7 */
      8
      9/*
     10 * Firmware file format .
     11 */
     12
     13#ifndef __INCLUDE_UAPI_SOF_FW_H__
     14#define __INCLUDE_UAPI_SOF_FW_H__
     15
     16#include <linux/types.h>
     17
     18#define SND_SOF_FW_SIG_SIZE	4
     19#define SND_SOF_FW_ABI		1
     20#define SND_SOF_FW_SIG		"Reef"
     21
     22/*
     23 * Firmware module is made up of 1 . N blocks of different types. The
     24 * Block header is used to determine where and how block is to be copied in the
     25 * DSP/host memory space.
     26 */
     27enum snd_sof_fw_blk_type {
     28	SOF_FW_BLK_TYPE_INVALID	= -1,
     29	SOF_FW_BLK_TYPE_START	= 0,
     30	SOF_FW_BLK_TYPE_RSRVD0	= SOF_FW_BLK_TYPE_START,
     31	SOF_FW_BLK_TYPE_IRAM	= 1,	/* local instruction RAM */
     32	SOF_FW_BLK_TYPE_DRAM	= 2,	/* local data RAM */
     33	SOF_FW_BLK_TYPE_SRAM	= 3,	/* system RAM */
     34	SOF_FW_BLK_TYPE_ROM	= 4,
     35	SOF_FW_BLK_TYPE_IMR	= 5,
     36	SOF_FW_BLK_TYPE_RSRVD6	= 6,
     37	SOF_FW_BLK_TYPE_RSRVD7	= 7,
     38	SOF_FW_BLK_TYPE_RSRVD8	= 8,
     39	SOF_FW_BLK_TYPE_RSRVD9	= 9,
     40	SOF_FW_BLK_TYPE_RSRVD10	= 10,
     41	SOF_FW_BLK_TYPE_RSRVD11	= 11,
     42	SOF_FW_BLK_TYPE_RSRVD12	= 12,
     43	SOF_FW_BLK_TYPE_RSRVD13	= 13,
     44	SOF_FW_BLK_TYPE_RSRVD14	= 14,
     45	/* use SOF_FW_BLK_TYPE_RSVRDX for new block types */
     46	SOF_FW_BLK_TYPE_NUM
     47};
     48
     49struct snd_sof_blk_hdr {
     50	enum snd_sof_fw_blk_type type;
     51	__u32 size;		/* bytes minus this header */
     52	__u32 offset;		/* offset from base */
     53} __packed;
     54
     55/*
     56 * Firmware file is made up of 1 .. N different modules types. The module
     57 * type is used to determine how to load and parse the module.
     58 */
     59enum snd_sof_fw_mod_type {
     60	SOF_FW_BASE	= 0,	/* base firmware image */
     61	SOF_FW_MODULE	= 1,	/* firmware module */
     62};
     63
     64struct snd_sof_mod_hdr {
     65	enum snd_sof_fw_mod_type type;
     66	__u32 size;		/* bytes minus this header */
     67	__u32 num_blocks;	/* number of blocks */
     68} __packed;
     69
     70/*
     71 * Firmware file header.
     72 */
     73struct snd_sof_fw_header {
     74	unsigned char sig[SND_SOF_FW_SIG_SIZE]; /* "Reef" */
     75	__u32 file_size;	/* size of file minus this header */
     76	__u32 num_modules;	/* number of modules */
     77	__u32 abi;		/* version of header format */
     78} __packed;
     79
     80#endif