/* $NetBSD: adosfs.h,v 1.13 2014/08/05 08:50:54 hannken Exp $ */ /* * Copyright (c) 1994 Christian E. Hopps * Copyright (c) 1996 Matthias Scheler * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Christian E. Hopps. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _ADOSFS_ADOSFS_H_ #define _ADOSFS_ADOSFS_H_ /* * Arguments to mount amigados filesystems. */ struct adosfs_args { char *fspec; /* blocks special holding the fs to mount */ struct export_args30 _pad1; /* compat with old userland tools */ uid_t uid; /* uid that owns adosfs files */ gid_t gid; /* gid that owns adosfs files */ mode_t mask; /* mask to be applied for adosfs perms */ }; #ifdef _KERNEL #include <sys/mallocvar.h> #include <miscfs/genfs/genfs_node.h> MALLOC_DECLARE(M_ANODE); /* * Amigados datestamp. (from 1/1/1978 00:00:00 local) */ struct datestamp { u_int32_t days; u_int32_t mins; u_int32_t ticks; /* 20000 * (ticks % 50) = useconds */ /* ticks / 50 = seconds */ }; enum anode_type { AROOT, ADIR, AFILE, ALDIR, ALFILE, ASLINK }; /* Maximum file/directory name */ #define ADMAXNAMELEN 30 /* * similar to inode's, we use to represent: * the root dir, reg dirs, reg files and extension blocks * note the ``tab'' is a hash table for r/d, and a data block * table for f/e. it is always ANODETABSZ(ap) bytes in size. */ struct anode { struct genfs_node gnode; enum anode_type type; char name[ADMAXNAMELEN+1]; /* (r/d/f) name for object */ struct datestamp mtimev; /* (r) volume modified */ struct datestamp created; /* (r) volume created */ struct datestamp mtime; /* (r/d/f) last modified */ struct adosfsmount *amp; /* owner file system */ struct vnode *vp; /* owner vnode */ u_long fsize; /* (f) size of file in bytes */ u_long block; /* block num */ u_long pblock; /* (d/f/e) parent block */ u_long hashf; /* (d/f) hash forward */ u_long extb; /* (f/e) extension block number */ u_long linkto; /* (hd/hf) header this link points at */ u_long linknext; /* (d/f/hd/hf) next link (or head) in chain */ u_long lastlindblk; /* (f/hf) last logical indirect block */ u_long lastindblk; /* (f/hf) last indirect block read */ u_long *tab; /* (r/d) hash table */ int *tabi; /* (r/d) table info */ int ntabent; /* (r/d) number of entries in table */ int nwords; /* size of blocks in long words */ int adprot; /* (d/f) amigados protection bits */ uid_t uid; /* (d/f) uid of directory/file */ gid_t gid; /* (d/f) gid of directory/file */ int flags; /* misc flags */ char *slinkto; /* name of file or dir */ }; #define VTOA(vp) ((struct anode *)(vp)->v_data) #define ATOV(ap) ((ap)->vp) #define ANODETABSZ(ap) (((ap)->nwords - 56) * sizeof(long)) #define ANODETABENT(ap) ((ap)->nwords - 56) #define ANODENDATBLKENT(ap) ((ap)->nwords - 56) /* * mount data */ #define ANODEHASHSZ (512) struct adosfsmount { struct mount *mp; /* owner mount */ u_int32_t dostype; /* type of volume */ u_long rootb; /* root block number */ u_long bsize; /* size of blocks */ u_long nwords; /* size of blocks in long words */ u_long dbsize; /* data bytes per block */ uid_t uid; /* uid of mounting user */ gid_t gid; /* gid of mounting user */ u_long mask; /* mode mask */ struct vnode *devvp; /* blk device mounted on */ struct vnode *rootvp; /* out root vnode */ u_long *bitmap; /* allocation bitmap */ u_long numblks; /* number of usable blocks */ u_long freeblks; /* number of free blocks */ }; #define VFSTOADOSFS(mp) ((struct adosfsmount *)(mp)->mnt_data) #define IS_FFS(amp) ((amp)->dostype & 1) #define IS_INTER(amp) (((amp)->dostype & 7) > 1) /* * AmigaDOS block stuff. */ #define BBOFF (0) #define BPT_SHORT ((u_int32_t)2) #define BPT_DATA ((u_int32_t)8) #define BPT_LIST ((u_int32_t)16) #define BST_RDIR ((u_int32_t)1) #define BST_UDIR ((u_int32_t)2) #define BST_SLINK ((u_int32_t)3) #define BST_LDIR ((u_int32_t)4) #define BST_FILE ((u_int32_t)-3) #define BST_LFILE ((u_int32_t)-4) #define OFS_DATA_OFFSET (24) extern struct pool adosfs_node_pool; /* * utility protos */ #if BYTE_ORDER != BIG_ENDIAN u_int32_t adoswordn(struct buf *, int); #else #define adoswordn(bp,wn) (*((u_int32_t *)(bp)->b_data + (wn))) #endif u_int32_t adoscksum(struct buf *, int); int adoscaseequ(const u_char *, const u_char *, int, int); int adoshash(const u_char *, int, int, int); int adunixprot(int); int adosfs_getblktype(struct adosfsmount *, struct buf *); int adosfs_lookup(void *); extern int (**adosfs_vnodeop_p)(void *); /* Should print a vnode or the vnode-op's arguments? */ #define advopprint(p) /* XXX */ #endif /* _KERNEL */ #endif /* _ADOSFS_ADOSFS_H_ */
