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+/*
+ You may distribute this file under either of the two licenses that
+ follow at your discretion.
+*/
+
+/* BLURB lgpl
+
+ Coda File System
+ Release 5
+
+ Copyright (c) 1987-1999 Carnegie Mellon University
+ Additional copyrights listed below
+
+This code is distributed "AS IS" without warranty of any kind under
+the terms of the GNU Library General Public Licence Version 2, as
+shown in the file LICENSE, or under the license shown below. The
+technical and financial contributors to Coda are listed in the file
+CREDITS.
+
+ Additional copyrights
+*/
+
+/*
+
+ 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 _UAPI_CODA_HEADER_
+#define _UAPI_CODA_HEADER_
+
+
+/* Catch new _KERNEL defn for NetBSD and DJGPP/__CYGWIN32__ */
+#if defined(__NetBSD__) || \
+ ((defined(DJGPP) || defined(__CYGWIN32__)) && !defined(KERNEL))
+#include <sys/types.h>
+#endif
+
+#ifndef CODA_MAXSYMLINKS
+#define CODA_MAXSYMLINKS 10
+#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 * caddr_t;
+#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__)
+#include <linux/time.h>
+#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
+#endif /* __KERNEL__ */
+#else
+#define cdev_t dev_t
+#endif
+
+#ifdef __CYGWIN32__
+struct timespec {
+ time_t tv_sec; /* seconds */
+ long tv_nsec; /* nanoseconds */
+};
+#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. */
+
+
+
+#ifndef _VENUS_DIRENT_T_
+#define _VENUS_DIRENT_T_ 1
+struct venus_dirent {
+ u_int32_t d_fileno; /* file number of entry */
+ u_int16_t d_reclen; /* length of this record */
+ u_int8_t d_type; /* file type, see below */
+ u_int8_t 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
+
+#ifndef _VUID_T_
+#define _VUID_T_
+typedef u_int32_t vuid_t;
+typedef u_int32_t vgid_t;
+#endif /*_VUID_T_ */
+
+struct CodaFid {
+ u_int32_t opaque[4];
+};
+
+#define coda_f2i(fid)\
+ (fid ? (fid->opaque[3] ^ (fid->opaque[2]<<10) ^ (fid->opaque[1]<<20) ^ fid->opaque[0]) : 0)
+
+#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 */
+ vuid_t va_uid; /* owner user id */
+ vgid_t va_gid; /* owner group id */
+ 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_SYMLINK 18
+#define CODA_READLINK 19
+#define CODA_FSYNC 20
+#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_STORE 35
+#define CODA_RELEASE 36
+#define CODA_NCALLS 37
+
+#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, size_t)
+
+#define CODA_KERNEL_VERSION 3 /* 128-bit file identifiers */
+
+/*
+ * Venus <-> Coda RPC arguments
+ */
+struct coda_in_hdr {
+ u_int32_t opcode;
+ u_int32_t unique; /* Keep multiple outstanding msgs distinct */
+ pid_t pid;
+ pid_t pgid;
+ vuid_t uid;
+};
+
+/* 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;
+ struct CodaFid VFid;
+};
+
+struct coda_root_in {
+ struct coda_in_hdr in;
+};
+
+/* coda_open: */
+struct coda_open_in {
+ struct coda_in_hdr ih;
+ struct CodaFid VFid;
+ int flags;
+};
+
+struct coda_open_out {
+ struct coda_out_hdr oh;
+ cdev_t dev;
+ ino_t inode;
+};
+
+
+/* coda_store: */
+struct coda_store_in {
+ struct coda_in_hdr ih;
+ struct CodaFid VFid;
+ int flags;
+};
+
+struct coda_store_out {
+ struct coda_out_hdr out;
+};
+
+/* coda_release: */
+struct coda_release_in {
+ struct coda_in_hdr ih;
+ struct CodaFid VFid;
+ int flags;
+};
+
+struct coda_release_out {
+ struct coda_out_hdr out;
+};
+
+/* coda_close: */
+struct coda_close_in {
+ struct coda_in_hdr ih;
+ struct CodaFid VFid;
+ int flags;
+};
+
+struct coda_close_out {
+ struct coda_out_hdr out;
+};
+
+/* coda_ioctl: */
+struct coda_ioctl_in {
+ struct coda_in_hdr ih;
+ struct CodaFid VFid;
+ int cmd;
+ int len;
+ int rwflag;
+ char *data; /* Place holder for data. */
+};
+
+struct coda_ioctl_out {
+ struct coda_out_hdr oh;
+ int len;
+ caddr_t data; /* Place holder for data. */
+};
+
+
+/* coda_getattr: */
+struct coda_getattr_in {
+ struct coda_in_hdr ih;
+ struct CodaFid VFid;
+};
+
+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;
+ struct CodaFid VFid;
+ 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;
+ struct CodaFid VFid;
+ 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;
+ struct CodaFid VFid;
+ int name; /* Place holder for data. */
+ int flags;
+};
+
+struct coda_lookup_out {
+ struct coda_out_hdr oh;
+ struct CodaFid VFid;
+ int vtype;
+};
+
+
+/* coda_create: */
+struct coda_create_in {
+ struct coda_in_hdr ih;
+ struct CodaFid VFid;
+ struct coda_vattr attr;
+ int excl;
+ int mode;
+ int name; /* Place holder for data. */
+};
+
+struct coda_create_out {
+ struct coda_out_hdr oh;
+ struct CodaFid VFid;
+ struct coda_vattr attr;
+};
+
+
+/* coda_remove: NO_OUT */
+struct coda_remove_in {
+ struct coda_in_hdr ih;
+ struct CodaFid VFid;
+ 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;
+ struct CodaFid sourceFid; /* cnode to link *to* */
+ struct 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;
+ struct CodaFid sourceFid;
+ int srcname;
+ struct CodaFid destFid;
+ int destname;
+};
+
+struct coda_rename_out {
+ struct coda_out_hdr out;
+};
+
+/* coda_mkdir: */
+struct coda_mkdir_in {
+ struct coda_in_hdr ih;
+ struct CodaFid VFid;
+ struct coda_vattr attr;
+ int name; /* Place holder for data. */
+};
+
+struct coda_mkdir_out {
+ struct coda_out_hdr oh;
+ struct CodaFid VFid;
+ struct coda_vattr attr;
+};
+
+
+/* coda_rmdir: NO_OUT */
+struct coda_rmdir_in {
+ struct coda_in_hdr ih;
+ struct CodaFid VFid;
+ int name; /* Place holder for data. */
+};
+
+struct coda_rmdir_out {
+ struct coda_out_hdr out;
+};
+
+/* coda_symlink: NO_OUT */
+struct coda_symlink_in {
+ struct coda_in_hdr ih;
+ struct CodaFid VFid; /* 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;
+ struct CodaFid VFid;
+};
+
+struct coda_readlink_out {
+ struct coda_out_hdr oh;
+ int count;
+ caddr_t data; /* Place holder for data. */
+};
+
+
+/* coda_fsync: NO_OUT */
+struct coda_fsync_in {
+ struct coda_in_hdr ih;
+ struct CodaFid VFid;
+};
+
+struct coda_fsync_out {
+ struct coda_out_hdr out;
+};
+
+/* coda_vget: */
+struct coda_vget_in {
+ struct coda_in_hdr ih;
+ struct CodaFid VFid;
+};
+
+struct coda_vget_out {
+ struct coda_out_hdr oh;
+ struct CodaFid VFid;
+ 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;
+ vuid_t uid;
+};
+
+/* coda_zapfile: */
+/* CODA_ZAPFILE is a venus->kernel call */
+struct coda_zapfile_out {
+ struct coda_out_hdr oh;
+ struct CodaFid CodaFid;
+};
+
+/* coda_zapdir: */
+/* CODA_ZAPDIR is a venus->kernel call */
+struct coda_zapdir_out {
+ struct coda_out_hdr oh;
+ struct CodaFid CodaFid;
+};
+
+/* coda_purgefid: */
+/* CODA_PURGEFID is a venus->kernel call */
+struct coda_purgefid_out {
+ struct coda_out_hdr oh;
+ struct CodaFid CodaFid;
+};
+
+/* 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;
+ struct CodaFid NewFid;
+ struct CodaFid OldFid;
+};
+
+/* coda_open_by_fd: */
+struct coda_open_by_fd_in {
+ struct coda_in_hdr ih;
+ struct CodaFid VFid;
+ int flags;
+};
+
+struct coda_open_by_fd_out {
+ struct coda_out_hdr oh;
+ int fd;
+
+#ifdef __KERNEL__
+ struct file *fh; /* not passed from userspace but used in-kernel only */
+#endif
+};
+
+/* coda_open_by_path: */
+struct coda_open_by_path_in {
+ struct coda_in_hdr ih;
+ struct CodaFid VFid;
+ 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 in;
+};
+
+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_store_in coda_store;
+ struct coda_release_in coda_release;
+ 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_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_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_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_purgefid_out purgefid;
+ struct coda_replace_out replace;
+};
+
+
+/*
+ * Used for identifying usage of "Control" and pioctls
+ */
+
+#define PIOCPARM_MASK 0x0000ffff
+struct ViceIoctl {
+ void __user *in; /* Data to be transferred in */
+ void __user *out; /* Data to be transferred out */
+ u_short in_size; /* Size of input buffer <= 2K */
+ u_short out_size; /* Maximum size of output buffer, <= 2K */
+};
+
+struct PioctlData {
+ const char __user *path;
+ int follow;
+ struct ViceIoctl vi;
+};
+
+#define CODA_CONTROL ".CONTROL"
+#define CODA_CONTROLLEN 8
+#define CTL_INO -1
+
+/* Data passed to mount */
+
+#define CODA_MOUNT_VERSION 1
+
+struct coda_mount_data {
+ int version;
+ int fd; /* Opened device */
+};
+
+#endif /* _UAPI_CODA_HEADER_ */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.