#ifndef AMIGAFFS_H
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#ifndef AMIGAFFS_H
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#define AMIGAFFS_H
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#define AMIGAFFS_H
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#include <asm/byteorder.h>
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#include <asm/byteorder.h>
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#include <linux/types.h>
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#include <linux/types.h>
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/* Ugly macros make the code more pretty. */
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/* Ugly macros make the code more pretty. */
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#define GET_END_PTR(st,p,sz) ((st *)((char *)(p)+((sz)-sizeof(st))))
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#define GET_END_PTR(st,p,sz) ((st *)((char *)(p)+((sz)-sizeof(st))))
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#define AFFS_GET_HASHENTRY(data,hashkey) htonl(((struct dir_front *)data)->hashtable[hashkey])
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#define AFFS_GET_HASHENTRY(data,hashkey) htonl(((struct dir_front *)data)->hashtable[hashkey])
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#define AFFS_BLOCK(data,ino,blk) ((struct file_front *)data)->blocks[AFFS_I2HSIZE(ino)-1-(blk)]
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#define AFFS_BLOCK(data,ino,blk) ((struct file_front *)data)->blocks[AFFS_I2HSIZE(ino)-1-(blk)]
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#define FILE_END(p,i) GET_END_PTR(struct file_end,p,AFFS_I2BSIZE(i))
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#define FILE_END(p,i) GET_END_PTR(struct file_end,p,AFFS_I2BSIZE(i))
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#define ROOT_END(p,i) GET_END_PTR(struct root_end,p,AFFS_I2BSIZE(i))
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#define ROOT_END(p,i) GET_END_PTR(struct root_end,p,AFFS_I2BSIZE(i))
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#define DIR_END(p,i) GET_END_PTR(struct dir_end,p,AFFS_I2BSIZE(i))
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#define DIR_END(p,i) GET_END_PTR(struct dir_end,p,AFFS_I2BSIZE(i))
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#define LINK_END(p,i) GET_END_PTR(struct hlink_end,p,AFFS_I2BSIZE(i))
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#define LINK_END(p,i) GET_END_PTR(struct hlink_end,p,AFFS_I2BSIZE(i))
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#define ROOT_END_S(p,s) GET_END_PTR(struct root_end,p,(s)->s_blocksize)
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#define ROOT_END_S(p,s) GET_END_PTR(struct root_end,p,(s)->s_blocksize)
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#define DATA_FRONT(bh) ((struct data_front *)(bh)->b_data)
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#define DATA_FRONT(bh) ((struct data_front *)(bh)->b_data)
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/* Only for easier debugging if need be */
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/* Only for easier debugging if need be */
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#define affs_bread bread
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#define affs_bread bread
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#define affs_brelse brelse
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#define affs_brelse brelse
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#ifdef __LITTLE_ENDIAN
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#ifdef __LITTLE_ENDIAN
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#define BO_EXBITS 0x18UL
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#define BO_EXBITS 0x18UL
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#elif defined(__BIG_ENDIAN)
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#elif defined(__BIG_ENDIAN)
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#define BO_EXBITS 0x00UL
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#define BO_EXBITS 0x00UL
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#else
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#else
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#error Endianness must be known for affs to work.
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#error Endianness must be known for affs to work.
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#endif
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#endif
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#define FS_OFS 0x444F5300
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#define FS_OFS 0x444F5300
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#define FS_FFS 0x444F5301
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#define FS_FFS 0x444F5301
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#define FS_INTLOFS 0x444F5302
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#define FS_INTLOFS 0x444F5302
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#define FS_INTLFFS 0x444F5303
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#define FS_INTLFFS 0x444F5303
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#define FS_DCOFS 0x444F5304
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#define FS_DCOFS 0x444F5304
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#define FS_DCFFS 0x444F5305
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#define FS_DCFFS 0x444F5305
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#define MUFS_FS 0x6d754653 /* 'muFS' */
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#define MUFS_FS 0x6d754653 /* 'muFS' */
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#define MUFS_OFS 0x6d754600 /* 'muF\0' */
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#define MUFS_OFS 0x6d754600 /* 'muF\0' */
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#define MUFS_FFS 0x6d754601 /* 'muF\1' */
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#define MUFS_FFS 0x6d754601 /* 'muF\1' */
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#define MUFS_INTLOFS 0x6d754602 /* 'muF\2' */
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#define MUFS_INTLOFS 0x6d754602 /* 'muF\2' */
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#define MUFS_INTLFFS 0x6d754603 /* 'muF\3' */
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#define MUFS_INTLFFS 0x6d754603 /* 'muF\3' */
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#define MUFS_DCOFS 0x6d754604 /* 'muF\4' */
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#define MUFS_DCOFS 0x6d754604 /* 'muF\4' */
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#define MUFS_DCFFS 0x6d754605 /* 'muF\5' */
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#define MUFS_DCFFS 0x6d754605 /* 'muF\5' */
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#define T_SHORT 2
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#define T_SHORT 2
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#define T_LIST 16
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#define T_LIST 16
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#define T_DATA 8
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#define T_DATA 8
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#define ST_LINKFILE -4
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#define ST_LINKFILE -4
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#define ST_FILE -3
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#define ST_FILE -3
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#define ST_ROOT 1
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#define ST_ROOT 1
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#define ST_USERDIR 2
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#define ST_USERDIR 2
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#define ST_SOFTLINK 3
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#define ST_SOFTLINK 3
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#define ST_LINKDIR 4
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#define ST_LINKDIR 4
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struct root_front
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struct root_front
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{
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{
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__s32 primary_type;
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__s32 primary_type;
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__s32 spare1[2];
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__s32 spare1[2];
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__s32 hash_size;
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__s32 hash_size;
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__s32 spare2;
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__s32 spare2;
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__u32 checksum;
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__u32 checksum;
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__s32 hashtable[0];
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__s32 hashtable[0];
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};
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};
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struct root_end
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struct root_end
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{
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{
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__s32 bm_flag;
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__s32 bm_flag;
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__s32 bm_keys[25];
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__s32 bm_keys[25];
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__s32 bm_extend;
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__s32 bm_extend;
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struct DateStamp dir_altered;
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struct DateStamp dir_altered;
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__u8 disk_name[40];
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__u8 disk_name[40];
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struct DateStamp disk_altered;
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struct DateStamp disk_altered;
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struct DateStamp disk_made;
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struct DateStamp disk_made;
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__s32 spare1[3];
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__s32 spare1[3];
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__s32 secondary_type;
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__s32 secondary_type;
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};
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};
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struct dir_front
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struct dir_front
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{
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{
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__s32 primary_type;
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__s32 primary_type;
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__s32 own_key;
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__s32 own_key;
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__s32 spare1[3];
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__s32 spare1[3];
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__u32 checksum;
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__u32 checksum;
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__s32 hashtable[0];
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__s32 hashtable[0];
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};
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};
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struct dir_end
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struct dir_end
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{
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{
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__s32 spare1;
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__s32 spare1;
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__s16 owner_uid;
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__s16 owner_uid;
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__s16 owner_gid;
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__s16 owner_gid;
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__u32 protect;
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__u32 protect;
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__s32 spare2;
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__s32 spare2;
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__u8 comment[92];
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__u8 comment[92];
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struct DateStamp created;
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struct DateStamp created;
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__u8 dir_name[32];
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__u8 dir_name[32];
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__s32 spare3[2];
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__s32 spare3[2];
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__s32 link_chain;
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__s32 link_chain;
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__s32 spare4[5];
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__s32 spare4[5];
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__s32 hash_chain;
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__s32 hash_chain;
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__s32 parent;
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__s32 parent;
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__s32 spare5;
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__s32 spare5;
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__s32 secondary_type;
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__s32 secondary_type;
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};
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};
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struct file_front
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struct file_front
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{
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{
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__s32 primary_type;
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__s32 primary_type;
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__s32 own_key;
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__s32 own_key;
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__s32 block_count;
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__s32 block_count;
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__s32 unknown1;
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__s32 unknown1;
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__s32 first_data;
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__s32 first_data;
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__u32 checksum;
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__u32 checksum;
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__s32 blocks[0];
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__s32 blocks[0];
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};
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};
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struct file_end
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struct file_end
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{
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{
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__s32 spare1;
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__s32 spare1;
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__s16 owner_uid;
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__s16 owner_uid;
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__s16 owner_gid;
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__s16 owner_gid;
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__u32 protect;
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__u32 protect;
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__s32 byte_size;
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__s32 byte_size;
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__u8 comment[92];
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__u8 comment[92];
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struct DateStamp created;
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struct DateStamp created;
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__u8 file_name[32];
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__u8 file_name[32];
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__s32 spare2;
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__s32 spare2;
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__s32 original; /* not really in file_end */
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__s32 original; /* not really in file_end */
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__s32 link_chain;
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__s32 link_chain;
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__s32 spare3[5];
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__s32 spare3[5];
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__s32 hash_chain;
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__s32 hash_chain;
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__s32 parent;
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__s32 parent;
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__s32 extension;
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__s32 extension;
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__s32 secondary_type;
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__s32 secondary_type;
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};
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};
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struct hlink_front
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struct hlink_front
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{
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{
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__s32 primary_type;
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__s32 primary_type;
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__s32 own_key;
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__s32 own_key;
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__s32 spare1[3];
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__s32 spare1[3];
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__u32 checksum;
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__u32 checksum;
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};
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};
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struct hlink_end
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struct hlink_end
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{
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{
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__s32 spare1;
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__s32 spare1;
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__s16 owner_uid;
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__s16 owner_uid;
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__s16 owner_gid;
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__s16 owner_gid;
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__u32 protect;
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__u32 protect;
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__u8 comment[92];
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__u8 comment[92];
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struct DateStamp created;
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struct DateStamp created;
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__u8 link_name[32];
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__u8 link_name[32];
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__s32 spare2;
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__s32 spare2;
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__s32 original;
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__s32 original;
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__s32 link_chain;
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__s32 link_chain;
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__s32 spare3[5];
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__s32 spare3[5];
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__s32 hash_chain;
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__s32 hash_chain;
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__s32 parent;
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__s32 parent;
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__s32 spare4;
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__s32 spare4;
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__s32 secondary_type;
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__s32 secondary_type;
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};
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};
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struct slink_front
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struct slink_front
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{
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{
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__s32 primary_type;
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__s32 primary_type;
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__s32 own_key;
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__s32 own_key;
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__s32 spare1[3];
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__s32 spare1[3];
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__s32 checksum;
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__s32 checksum;
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__u8 symname[288]; /* depends on block size */
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__u8 symname[288]; /* depends on block size */
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};
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};
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struct data_front
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struct data_front
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{
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{
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__s32 primary_type;
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__s32 primary_type;
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__s32 header_key;
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__s32 header_key;
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__s32 sequence_number;
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__s32 sequence_number;
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__s32 data_size;
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__s32 data_size;
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__s32 next_data;
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__s32 next_data;
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__s32 checksum;
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__s32 checksum;
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__u8 data[488]; /* depends on block size */
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__u8 data[488]; /* depends on block size */
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};
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};
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/* Permission bits */
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/* Permission bits */
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#define FIBF_OTR_READ 0x8000
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#define FIBF_OTR_READ 0x8000
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#define FIBF_OTR_WRITE 0x4000
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#define FIBF_OTR_WRITE 0x4000
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#define FIBF_OTR_EXECUTE 0x2000
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#define FIBF_OTR_EXECUTE 0x2000
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#define FIBF_OTR_DELETE 0x1000
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#define FIBF_OTR_DELETE 0x1000
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#define FIBF_GRP_READ 0x0800
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#define FIBF_GRP_READ 0x0800
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#define FIBF_GRP_WRITE 0x0400
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#define FIBF_GRP_WRITE 0x0400
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#define FIBF_GRP_EXECUTE 0x0200
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#define FIBF_GRP_EXECUTE 0x0200
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#define FIBF_GRP_DELETE 0x0100
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#define FIBF_GRP_DELETE 0x0100
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#define FIBF_SCRIPT 0x0040
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#define FIBF_SCRIPT 0x0040
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#define FIBF_PURE 0x0020 /* no use under linux */
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#define FIBF_PURE 0x0020 /* no use under linux */
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#define FIBF_ARCHIVE 0x0010 /* never set, always cleared on write */
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#define FIBF_ARCHIVE 0x0010 /* never set, always cleared on write */
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#define FIBF_READ 0x0008 /* 0 means allowed */
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#define FIBF_READ 0x0008 /* 0 means allowed */
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#define FIBF_WRITE 0x0004 /* 0 means allowed */
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#define FIBF_WRITE 0x0004 /* 0 means allowed */
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#define FIBF_EXECUTE 0x0002 /* 0 means allowed, ignored under linux */
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#define FIBF_EXECUTE 0x0002 /* 0 means allowed, ignored under linux */
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#define FIBF_DELETE 0x0001 /* 0 means allowed */
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#define FIBF_DELETE 0x0001 /* 0 means allowed */
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#define FIBF_OWNER 0x000F /* Bits pertaining to owner */
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#define FIBF_OWNER 0x000F /* Bits pertaining to owner */
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#define AFFS_UMAYWRITE(prot) (((prot) & (FIBF_WRITE|FIBF_DELETE)) == (FIBF_WRITE|FIBF_DELETE))
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#define AFFS_UMAYWRITE(prot) (((prot) & (FIBF_WRITE|FIBF_DELETE)) == (FIBF_WRITE|FIBF_DELETE))
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#define AFFS_UMAYREAD(prot) ((prot) & FIBF_READ)
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#define AFFS_UMAYREAD(prot) ((prot) & FIBF_READ)
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#define AFFS_UMAYEXECUTE(prot) (((prot) & (FIBF_SCRIPT|FIBF_READ)) == (FIBF_SCRIPT|FIBF_READ))
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#define AFFS_UMAYEXECUTE(prot) (((prot) & (FIBF_SCRIPT|FIBF_READ)) == (FIBF_SCRIPT|FIBF_READ))
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#define AFFS_GMAYWRITE(prot) (((prot)&(FIBF_GRP_WRITE|FIBF_GRP_DELETE))==\
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#define AFFS_GMAYWRITE(prot) (((prot)&(FIBF_GRP_WRITE|FIBF_GRP_DELETE))==\
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(FIBF_GRP_WRITE|FIBF_GRP_DELETE))
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(FIBF_GRP_WRITE|FIBF_GRP_DELETE))
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#define AFFS_GMAYREAD(prot) ((prot) & FIBF_GRP_READ)
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#define AFFS_GMAYREAD(prot) ((prot) & FIBF_GRP_READ)
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#define AFFS_GMAYEXECUTE(prot) (((prot)&(FIBF_SCRIPT|FIBF_GRP_READ))==(FIBF_SCRIPT|FIBF_GRP_READ))
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#define AFFS_GMAYEXECUTE(prot) (((prot)&(FIBF_SCRIPT|FIBF_GRP_READ))==(FIBF_SCRIPT|FIBF_GRP_READ))
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#define AFFS_OMAYWRITE(prot) (((prot)&(FIBF_OTR_WRITE|FIBF_OTR_DELETE))==\
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#define AFFS_OMAYWRITE(prot) (((prot)&(FIBF_OTR_WRITE|FIBF_OTR_DELETE))==\
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(FIBF_OTR_WRITE|FIBF_OTR_DELETE))
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(FIBF_OTR_WRITE|FIBF_OTR_DELETE))
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#define AFFS_OMAYREAD(prot) ((prot) & FIBF_OTR_READ)
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#define AFFS_OMAYREAD(prot) ((prot) & FIBF_OTR_READ)
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#define AFFS_OMAYEXECUTE(prot) (((prot)&(FIBF_SCRIPT|FIBF_OTR_READ))==(FIBF_SCRIPT|FIBF_OTR_READ))
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#define AFFS_OMAYEXECUTE(prot) (((prot)&(FIBF_SCRIPT|FIBF_OTR_READ))==(FIBF_SCRIPT|FIBF_OTR_READ))
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#endif
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#endif
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