/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  linux/fs/adfs/dir_fplus.h
 *
 *  Copyright (C) 1999 Russell King
 *
 *  Structures of directories on the F+ format disk
 */

#define ADFS_FPLUS_NAME_LEN     255

#define BIGDIRSTARTNAME ('S' | 'B' << 8 | 'P' << 16 | 'r' << 24)
#define BIGDIRENDNAME   ('o' | 'v' << 8 | 'e' << 16 | 'n' << 24)

struct adfs_bigdirheader {
        __u8    startmasseq;
        __u8    bigdirversion[3];
        __le32  bigdirstartname;
        __le32  bigdirnamelen;
        __le32  bigdirsize;
        __le32  bigdirentries;
        __le32  bigdirnamesize;
        __le32  bigdirparent;
        char    bigdirname[1];
} __attribute__((packed, aligned(4)));

struct adfs_bigdirentry {
        __le32  bigdirload;
        __le32  bigdirexec;
        __le32  bigdirlen;
        __le32  bigdirindaddr;
        __le32  bigdirattr;
        __le32  bigdirobnamelen;
        __le32  bigdirobnameptr;
} __attribute__((packed, aligned(4)));

struct adfs_bigdirtail {
        __le32  bigdirendname;
        __u8    bigdirendmasseq;
        __u8    reserved[2];
        __u8    bigdircheckbyte;
} __attribute__((packed, aligned(4)));