/* $NetBSD: coda.h,v 1.21 2020/11/14 11:42:56 hannken Exp $ */

/*

           Coda: an Experimental Distributed File System
                            Release 4.0

         Copyright (c) 1987-1999 Carnegie Mellon University
                        All Rights Reserved

Permission  to  use, copy, modify and distribute this software and its
documentation is hereby granted,  provided  that  both  the  copyright
notice  and  this  permission  notice  appear  in  all  copies  of the
software, derivative works or  modified  versions,  and  any  portions
thereof, and that both notices appear in supporting documentation, and
that credit is given to Carnegie Mellon University  in  all  documents
and publicity pertaining to direct or indirect use of this code or its
derivatives.

CODA IS AN EXPERIMENTAL SOFTWARE SYSTEM AND IS  KNOWN  TO  HAVE  BUGS,
SOME  OF  WHICH MAY HAVE SERIOUS CONSEQUENCES.  CARNEGIE MELLON ALLOWS
FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION.   CARNEGIE  MELLON
DISCLAIMS  ANY  LIABILITY  OF  ANY  KIND  FOR  ANY  DAMAGES WHATSOEVER
RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE  OR  OF
ANY DERIVATIVE WORK.

Carnegie  Mellon  encourages  users  of  this  software  to return any
improvements or extensions that  they  make,  and  to  grant  Carnegie
Mellon the rights to redistribute these changes without encumbrance.
*/

/*
*
* Based on cfs.h from Mach, but revamped for increased simplicity.
* Linux modifications by
* Peter Braam, Aug 1996
*/

#ifndef _CODA_HEADER_
#define _CODA_HEADER_

#if defined(__NetBSD__)
#include <sys/ioccom.h>
#if defined(_KERNEL_OPT)
/* pull in optional CODA_COMPAT_5 flag and NVCODA. */
#include "opt_coda_compat.h"
#include <vcoda.h>
#else
#define NVCODA 4
#endif
#endif

/* Catch new _KERNEL defn for NetBSD and DJGPP/__CYGWIN32__ */
#if defined(__NetBSD__) || \
 ((defined(DJGPP) || defined(__CYGWIN32__)) && !defined(KERNEL))
#include <sys/types.h>
#include <sys/systm.h>
#endif

#ifndef CODA_MAXSYMLINKS
#define CODA_MAXSYMLINKS 10
#endif

#ifndef CODA_DIRBLKSIZ
#define CODA_DIRBLKSIZ 0x1000
#endif

#if defined(DJGPP) || defined(__CYGWIN32__)
#ifdef KERNEL
typedef unsigned long u_long;
typedef unsigned int u_int;
typedef unsigned short u_short;
typedef u_long ino_t;
typedef u_long dev_t;
typedef void *void *;
#ifdef DOS
typedef unsigned __int64 u_quad_t;
#else
typedef unsigned long long u_quad_t;
#endif

#define inline

struct timespec {
       long       ts_sec;
       long       ts_nsec;
};
#else  /* DJGPP but not KERNEL */
#include <sys/time.h>
typedef unsigned long long u_quad_t;
#endif /* !KERNEL */
#endif /* !DJGPP */


#if defined(__linux__)
#define cdev_t u_quad_t
#ifndef __KERNEL__
#if !defined(_UQUAD_T_) && (!defined(__GLIBC__) || __GLIBC__ < 2)
#define _UQUAD_T_ 1
typedef unsigned long long u_quad_t;
#endif
#else /*__KERNEL__ */
typedef unsigned long long u_quad_t;
#endif /* __KERNEL__ */
#else
#define cdev_t dev_t
#endif

/* Solaris Definitions */
#if defined(sun)
#include <sys/types.h>
#include <sys/time.h>
typedef unsigned long long u_quad_t;
#undef __BIT_TYPES_DEFINED__
#endif

/* Mac OS X / Darwin */
#if defined(__APPLE__) && defined(__MACH__)
#define __BIT_TYPES_DEFINED__
#endif

#ifndef __BIT_TYPES_DEFINED__
#define __BIT_TYPES_DEFINED__
typedef signed char           int8_t;
typedef unsigned char       u_int8_t;
typedef short                int16_t;
typedef unsigned short     u_int16_t;
typedef int                  int32_t;
typedef unsigned int       u_int32_t;
#endif


/*
* Cfs constants
*/
#define CODA_MAXNAMLEN   255
#define CODA_MAXPATHLEN  1024
#define CODA_MAXSYMLINK  10

/* these are Coda's version of O_RDONLY etc combinations
* to deal with VFS open modes
*/
#define C_O_READ        0x001
#define C_O_WRITE       0x002
#define C_O_TRUNC       0x010
#define C_O_EXCL        0x100
#define C_O_CREAT       0x200

/* these are to find mode bits in Venus */
#define C_M_READ  00400
#define C_M_WRITE 00200

/* for access Venus will use */
#define C_A_C_OK    8               /* Test for writing upon create.  */
#define C_A_R_OK    4               /* Test for read permission.  */
#define C_A_W_OK    2               /* Test for write permission.  */
#define C_A_X_OK    1               /* Test for execute permission.  */
#define C_A_F_OK    0               /* Test for existence.  */

#if defined(sun)
#define _VENUS_DIRENT_T_ 1
struct venus_dirent {
       unsigned long   d_fileno;               /* file number of entry */
       unsigned short  d_reclen;               /* length of this record */
       unsigned short  d_namlen;               /* length of string in d_name */
       char            d_name[CODA_MAXNAMLEN + 1];/* name must be no longer than this */
};
#undef DIRSIZ
#define DIRSIZ(dp)      ((sizeof (struct venus_dirent) - (CODA_MAXNAMLEN+1)) + \
                        (((dp)->d_namlen+1 + 3) &~ 3))
#endif

#ifndef _VENUS_DIRENT_T_
#define _VENUS_DIRENT_T_ 1
struct venus_dirent {
       unsigned int    d_fileno;               /* file number of entry */
       unsigned short  d_reclen;               /* length of this record */
       unsigned char   d_type;                 /* file type, see below */
       unsigned char   d_namlen;               /* length of string in d_name */
       char            d_name[CODA_MAXNAMLEN + 1];/* name must be no longer than this */
};
#undef DIRSIZ
#define DIRSIZ(dp)      ((sizeof (struct venus_dirent) - (CODA_MAXNAMLEN+1)) + \
                        (((dp)->d_namlen+1 + 3) &~ 3))

/*
* File types
*/
#define CDT_UNKNOWN      0
#define CDT_FIFO         1
#define CDT_CHR          2
#define CDT_DIR          4
#define CDT_BLK          6
#define CDT_REG          8
#define CDT_LNK         10
#define CDT_SOCK        12
#define CDT_WHT         14

/*
* Convert between stat structure types and directory types.
*/
#define IFTOCDT(mode)   (((mode) & 0170000) >> 12)
#define CDTTOIF(dirtype)        ((dirtype) << 12)

#endif

#ifdef CODA_COMPAT_5

typedef struct {
   u_long Volume;
   u_long Vnode;
   u_long Unique;
} CodaFid;

static __inline ino_t coda_f2i(CodaFid *fid)
{
       if (!fid) return 0;
       return (fid->Unique + (fid->Vnode<<10) + (fid->Volume<<20));
}

static __inline char * coda_f2s(CodaFid *fid)
{
 static char fid_str [35];
 snprintf (fid_str, 35, "[%lx.%lx.%lx]", fid->Volume,
           fid->Vnode, fid->Unique);
 return fid_str;
}

static __inline int coda_fid_eq (CodaFid *fid1, CodaFid *fid2)
{
 return (fid1->Volume == fid2->Volume &&
         fid1->Vnode == fid2->Vnode &&
         fid1->Unique == fid2->Unique);
}

struct coda_cred {
   u_int32_t cr_uid, cr_euid, cr_suid, cr_fsuid; /* Real, efftve, set, fs uid*/
   u_int32_t cr_groupid,     cr_egid, cr_sgid, cr_fsgid; /* same for groups */
};

#else

typedef struct {
   u_int32_t opaque[4];
} CodaFid;


static __inline ino_t coda_f2i(CodaFid *fid)
{
       if (!fid) return 0;
       return (fid->opaque[1] + (fid->opaque[2]<<10) + (fid->opaque[3]<<20));
}

static __inline char * coda_f2s(CodaFid *fid)
{
 static char fid_str [35];
 snprintf (fid_str, 35, "[%x.%x.%x.%x]", fid->opaque[0],
           fid->opaque[1], fid->opaque[2], fid->opaque[3]);
 return fid_str;
}

static __inline int coda_fid_eq (CodaFid *fid1, CodaFid *fid2)
{
 return (fid1->opaque[0] == fid2->opaque[0] &&
         fid1->opaque[1] == fid2->opaque[1] &&
         fid1->opaque[2] == fid2->opaque[2] &&
         fid1->opaque[3] == fid2->opaque[3]);
}

#endif

#ifndef _VENUS_VATTR_T_
#define _VENUS_VATTR_T_
/*
* Vnode types.  VNON means no type.
*/
enum coda_vtype { C_VNON, C_VREG, C_VDIR, C_VBLK, C_VCHR, C_VLNK, C_VSOCK, C_VFIFO, C_VBAD };

struct coda_vattr {
       long            va_type;        /* vnode type (for create) */
       u_short         va_mode;        /* files access mode and type */
       short           va_nlink;       /* number of references to file */
       uid_t           va_uid;         /* owner user id */
       gid_t           va_gid;         /* owner group id */
       u_long          va_fileid;      /* file id */
       u_quad_t        va_size;        /* file size in bytes */
       long            va_blocksize;   /* blocksize preferred for i/o */
       struct timespec va_atime;       /* time of last access */
       struct timespec va_mtime;       /* time of last modification */
       struct timespec va_ctime;       /* time file changed */
       u_long          va_gen;         /* generation number of file */
       u_long          va_flags;       /* flags defined for file */
       cdev_t          va_rdev;        /* device special file represents */
       u_quad_t        va_bytes;       /* bytes of disk space held by file */
       u_quad_t        va_filerev;     /* file modification number */
};

#endif

/* structure used by CODA_STATFS for getting cache information from venus */
struct coda_statfs {
   int32_t f_blocks;
   int32_t f_bfree;
   int32_t f_bavail;
   int32_t f_files;
   int32_t f_ffree;
};

/*
* Kernel <--> Venus communications.
*/

#define CODA_ROOT       2
#define CODA_OPEN_BY_FD 3
#define CODA_OPEN       4
#define CODA_CLOSE      5
#define CODA_IOCTL      6
#define CODA_GETATTR    7
#define CODA_SETATTR    8
#define CODA_ACCESS     9
#define CODA_LOOKUP     10
#define CODA_CREATE     11
#define CODA_REMOVE     12
#define CODA_LINK       13
#define CODA_RENAME     14
#define CODA_MKDIR      15
#define CODA_RMDIR      16
#define CODA_READDIR    17
#define CODA_SYMLINK    18
#define CODA_READLINK   19
#define CODA_FSYNC      20
#define CODA_INACTIVE   21
#define CODA_VGET       22
#define CODA_SIGNAL     23
#define CODA_REPLACE     24 /* DOWNCALL */
#define CODA_FLUSH       25 /* DOWNCALL */
#define CODA_PURGEUSER   26 /* DOWNCALL */
#define CODA_ZAPFILE     27 /* DOWNCALL */
#define CODA_ZAPDIR      28 /* DOWNCALL */
#define CODA_PURGEFID    30 /* DOWNCALL */
#define CODA_OPEN_BY_PATH 31
#define CODA_RESOLVE     32
#define CODA_REINTEGRATE 33
#define CODA_STATFS      34
#define CODA_NCALLS 35

#define DOWNCALL(opcode) (opcode >= CODA_REPLACE && opcode <= CODA_PURGEFID)

#define VC_MAXDATASIZE      8192
#define VC_MAXMSGSIZE      sizeof(union inputArgs)+sizeof(union outputArgs) +\
                           VC_MAXDATASIZE

#define CIOC_KERNEL_VERSION _IOWR('c', 10, sizeof (int))

#if 0
#define CODA_KERNEL_VERSION 0 /* don't care about kernel version number */
#define CODA_KERNEL_VERSION 1 /* The old venus 4.6 compatible interface */
#endif
#ifdef CODA_COMPAT_5
#define CODA_KERNEL_VERSION 2 /* venus_lookup gets an extra parameter */
#else
#define CODA_KERNEL_VERSION 3 /* 128-bit fids for realms */
#endif

/*
*        Venus <-> Coda  RPC arguments
*/
#ifdef CODA_COMPAT_5
struct coda_in_hdr {
   unsigned long opcode;
   unsigned long unique;           /* Keep multiple outstanding msgs distinct */
   u_short pid;                    /* Common to all */
   u_short pgid;                   /* Common to all */
   u_short sid;                    /* Common to all */
   struct coda_cred cred;          /* Common to all */
};
#else
struct coda_in_hdr {
   u_int32_t opcode;
   u_int32_t unique;       /* Keep multiple outstanding msgs distinct */
   pid_t pid;              /* Common to all */
   pid_t pgid;             /* Common to all */
   uid_t uid;              /* Common to all */
};
#endif

/* Really important that opcode and unique are 1st two fields! */
struct coda_out_hdr {
   u_int32_t opcode;
   u_int32_t unique;
   u_int32_t result;
};

/* coda_root: NO_IN */
struct coda_root_out {
   struct coda_out_hdr oh;
   CodaFid Fid;
};

struct coda_root_in {
   struct coda_in_hdr in;
};

/* coda_open: */
struct coda_open_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
   int flags;
};

struct coda_open_out {
   struct coda_out_hdr oh;
   cdev_t      dev;
   ino_t       inode;          /* host inode of container file */
};


/* coda_close: */
struct coda_close_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
   int flags;
};

struct coda_close_out {
   struct coda_out_hdr out;
};

/* coda_ioctl: */
struct coda_ioctl_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
   int cmd;
   int len;
   int rwflag;
   char *data;                 /* Place holder for data. */
};

struct coda_ioctl_out {
   struct coda_out_hdr oh;
   int len;
   void *      data;           /* Place holder for data. */
};


/* coda_getattr: */
struct coda_getattr_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
};

struct coda_getattr_out {
   struct coda_out_hdr oh;
   struct coda_vattr attr;
};


/* coda_setattr: NO_OUT */
struct coda_setattr_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
   struct coda_vattr attr;
};

struct coda_setattr_out {
   struct coda_out_hdr out;
};

/* coda_access: NO_OUT */
struct coda_access_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
   int flags;
};

struct coda_access_out {
   struct coda_out_hdr out;
};


/* lookup flags */
#define CLU_CASE_SENSITIVE     0x01
#define CLU_CASE_INSENSITIVE   0x02

/* coda_lookup: */
struct  coda_lookup_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
   int         name;           /* Place holder for data. */
   int         flags;
};

struct coda_lookup_out {
   struct coda_out_hdr oh;
   CodaFid Fid;
   int vtype;
};


/* coda_create: */
struct coda_create_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
   struct coda_vattr attr;
   int excl;
   int mode;
   int         name;           /* Place holder for data. */
};

struct coda_create_out {
   struct coda_out_hdr oh;
   CodaFid Fid;
   struct coda_vattr attr;
};


/* coda_remove: NO_OUT */
struct coda_remove_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
   int name;           /* Place holder for data. */
};

struct coda_remove_out {
   struct coda_out_hdr out;
};

/* coda_link: NO_OUT */
struct coda_link_in {
   struct coda_in_hdr ih;
   CodaFid sourceFid;          /* cnode to link *to* */
   CodaFid destFid;            /* Directory in which to place link */
   int tname;          /* Place holder for data. */
};

struct coda_link_out {
   struct coda_out_hdr out;
};


/* coda_rename: NO_OUT */
struct coda_rename_in {
   struct coda_in_hdr ih;
   CodaFid sourceFid;
   int         srcname;
   CodaFid destFid;
   int         destname;
};

struct coda_rename_out {
   struct coda_out_hdr out;
};

/* coda_mkdir: */
struct coda_mkdir_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
   struct coda_vattr attr;
   int    name;                /* Place holder for data. */
};

struct coda_mkdir_out {
   struct coda_out_hdr oh;
   CodaFid Fid;
   struct coda_vattr attr;
};


/* coda_rmdir: NO_OUT */
struct coda_rmdir_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
   int name;           /* Place holder for data. */
};

struct coda_rmdir_out {
   struct coda_out_hdr out;
};

/* coda_readdir: */
struct coda_readdir_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
   int count;
   int offset;
};

struct coda_readdir_out {
   struct coda_out_hdr oh;
   int size;
   void *      data;           /* Place holder for data. */
};

/* coda_symlink: NO_OUT */
struct coda_symlink_in {
   struct coda_in_hdr ih;
   CodaFid Fid;          /* Directory to put symlink in */
   int srcname;
   struct coda_vattr attr;
   int tname;
};

struct coda_symlink_out {
   struct coda_out_hdr out;
};

/* coda_readlink: */
struct coda_readlink_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
};

struct coda_readlink_out {
   struct coda_out_hdr oh;
   int count;
   void *      data;           /* Place holder for data. */
};


/* coda_fsync: NO_OUT */
struct coda_fsync_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
};

struct coda_fsync_out {
   struct coda_out_hdr out;
};

/* coda_vget: */
struct coda_vget_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
};

struct coda_vget_out {
   struct coda_out_hdr oh;
   CodaFid Fid;
   int vtype;
};


/* CODA_SIGNAL is out-of-band, doesn't need data. */
/* CODA_INVALIDATE is a venus->kernel call */
/* CODA_FLUSH is a venus->kernel call */

/* coda_purgeuser: */
/* CODA_PURGEUSER is a venus->kernel call */
struct coda_purgeuser_out {
   struct coda_out_hdr oh;
#ifdef CODA_COMPAT_5
   struct coda_cred cred;
#else
   uid_t               uid;
#endif
};

/* coda_zapfile: */
/* CODA_ZAPFILE is a venus->kernel call */
struct coda_zapfile_out {
   struct coda_out_hdr oh;
   CodaFid Fid;
};

/* coda_zapdir: */
/* CODA_ZAPDIR is a venus->kernel call */
struct coda_zapdir_out {
   struct coda_out_hdr oh;
   CodaFid Fid;
};

/* coda_zapnode: */
/* CODA_ZAPVNODE is a venus->kernel call */
struct coda_zapvnode_out {
   struct coda_out_hdr oh;
#ifdef CODA_COMPAT_5
   struct coda_cred cred;
#endif
   CodaFid Fid;
};

/* coda_purgefid: */
/* CODA_PURGEFID is a venus->kernel call */
struct coda_purgefid_out {
   struct coda_out_hdr oh;
   CodaFid Fid;
};

/* coda_replace: */
/* CODA_REPLACE is a venus->kernel call */
struct coda_replace_out { /* coda_replace is a venus->kernel call */
   struct coda_out_hdr oh;
   CodaFid NewFid;
   CodaFid OldFid;
};

/* coda_open_by_fd: */
struct coda_open_by_fd_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
   int flags;
};

struct coda_open_by_fd_out {
   struct coda_out_hdr oh;
   int fd;
   struct file *fh;
};

/* coda_open_by_path: */
struct coda_open_by_path_in {
   struct coda_in_hdr ih;
   CodaFid Fid;
   int flags;
};

struct coda_open_by_path_out {
   struct coda_out_hdr oh;
       int path;
};

/* coda_statfs: NO_IN */
struct coda_statfs_in {
   struct coda_in_hdr ih;
};

struct coda_statfs_out {
   struct coda_out_hdr oh;
   struct coda_statfs stat;
};

/*
* Occasionally, we don't cache the fid returned by CODA_LOOKUP.
* For instance, if the fid is inconsistent.
* This case is handled by setting the top bit of the type result parameter.
*/
#define CODA_NOCACHE          0x80000000

union inputArgs {
   struct coda_in_hdr ih;              /* NB: every struct below begins with an ih */
   struct coda_open_in coda_open;
   struct coda_close_in coda_close;
   struct coda_ioctl_in coda_ioctl;
   struct coda_getattr_in coda_getattr;
   struct coda_setattr_in coda_setattr;
   struct coda_access_in coda_access;
   struct coda_lookup_in coda_lookup;
   struct coda_create_in coda_create;
   struct coda_remove_in coda_remove;
   struct coda_link_in coda_link;
   struct coda_rename_in coda_rename;
   struct coda_mkdir_in coda_mkdir;
   struct coda_rmdir_in coda_rmdir;
   struct coda_readdir_in coda_readdir;
   struct coda_symlink_in coda_symlink;
   struct coda_readlink_in coda_readlink;
   struct coda_fsync_in coda_fsync;
   struct coda_vget_in coda_vget;
   struct coda_open_by_fd_in coda_open_by_fd;
   struct coda_open_by_path_in coda_open_by_path;
   struct coda_statfs_in coda_statfs;
};

union outputArgs {
   struct coda_out_hdr oh;             /* NB: every struct below begins with an oh */
   struct coda_root_out coda_root;
   struct coda_open_out coda_open;
   struct coda_ioctl_out coda_ioctl;
   struct coda_getattr_out coda_getattr;
   struct coda_lookup_out coda_lookup;
   struct coda_create_out coda_create;
   struct coda_mkdir_out coda_mkdir;
   struct coda_readdir_out coda_readdir;
   struct coda_readlink_out coda_readlink;
   struct coda_vget_out coda_vget;
   struct coda_purgeuser_out coda_purgeuser;
   struct coda_zapfile_out coda_zapfile;
   struct coda_zapdir_out coda_zapdir;
   struct coda_zapvnode_out coda_zapvnode;
   struct coda_purgefid_out coda_purgefid;
   struct coda_replace_out coda_replace;
   struct coda_open_by_fd_out coda_open_by_fd;
   struct coda_open_by_path_out coda_open_by_path;
   struct coda_statfs_out coda_statfs;
};

union coda_downcalls {
   /* CODA_INVALIDATE is a venus->kernel call */
   /* CODA_FLUSH is a venus->kernel call */
   struct coda_purgeuser_out purgeuser;
   struct coda_zapfile_out zapfile;
   struct coda_zapdir_out zapdir;
   struct coda_zapvnode_out zapvnode;
   struct coda_purgefid_out purgefid;
   struct coda_replace_out replace;
};


/*
* Used for identifying usage of "Control" and pioctls
*/

#define PIOCPARM_MASK 0x0000ffff
struct ViceIoctl {
       void *in, *out;         /* Data to be transferred in, or out */
       unsigned short in_size; /* Size of input buffer <= 8K */
       unsigned short out_size;/* Maximum size of output buffer, <= 8K */
};

struct PioctlData {
       const char *path;
       int follow;
#if defined(__CYGWIN32__) || defined(__NT_CODA__)
       int cmd;
#endif
       struct ViceIoctl vi;
};

#define CODA_CONTROL            ".CONTROL"
#define CODA_CONTROLLEN           8
#define CTL_INO                 -1
#define CTL_FILE                "/coda/.CONTROL"


#ifdef CODA_COMPAT_5
#define CTL_FID                 { -1, -1, -1 }
#define IS_CTL_FID(fidp)        ((fidp)->Volume == -1 &&\
                                (fidp)->Vnode == -1 &&\
                                (fidp)->Unique == -1)
#define INVAL_FID               { 0, 0, 0 }
#else
#define CTL_FID                 { { -1, -1, -1, -1 } }
#define IS_CTL_FID(fidp)        ((fidp)->opaque[0] == -1 &&\
                                (fidp)->opaque[1] == -1 &&\
                                (fidp)->opaque[2] == -1 &&\
                                (fidp)->opaque[3] == -1)
#define INVAL_FID               { { 0, 0, 0, 0 } }
#endif

/* Data passed to mount */

#define CODA_MOUNT_VERSION 1

struct coda_mount_data {
       int             version;
       int             fd;       /* Opened device */
};

#endif

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