include/hw/i386/tdvf.h

/*
 * Copyright (c) 2025 Intel Corporation
 * Author: Isaku Yamahata <isaku.yamahata at gmail.com>
 *                        <isaku.yamahata at intel.com>
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */

#ifndef HW_I386_TDVF_H
#define HW_I386_TDVF_H

#include "qemu/osdep.h"

#define TDVF_SECTION_TYPE_BFV               0
#define TDVF_SECTION_TYPE_CFV               1
#define TDVF_SECTION_TYPE_TD_HOB            2
#define TDVF_SECTION_TYPE_TEMP_MEM          3

#define TDVF_SECTION_ATTRIBUTES_MR_EXTEND   (1U << 0)
#define TDVF_SECTION_ATTRIBUTES_PAGE_AUG    (1U << 1)

typedef struct TdxFirmwareEntry {
    uint32_t data_offset;
    uint32_t data_len;
    uint64_t address;
    uint64_t size;
    uint32_t type;
    uint32_t attributes;

    void *mem_ptr;
} TdxFirmwareEntry;

typedef struct TdxFirmware {
    void *mem_ptr;

    uint32_t nr_entries;
    TdxFirmwareEntry *entries;
} TdxFirmware;

#define for_each_tdx_fw_entry(fw, e)    \
    for (e = (fw)->entries; e != (fw)->entries + (fw)->nr_entries; e++)

int tdvf_parse_metadata(TdxFirmware *fw, void *flash_ptr, int size);

#endif /* HW_I386_TDVF_H */