diff options
Diffstat (limited to 'sys/fs/coda/coda.h')
-rw-r--r-- | sys/fs/coda/coda.h | 838 |
1 files changed, 0 insertions, 838 deletions
diff --git a/sys/fs/coda/coda.h b/sys/fs/coda/coda.h deleted file mode 100644 index 2cfb712..0000000 --- a/sys/fs/coda/coda.h +++ /dev/null @@ -1,838 +0,0 @@ -/*- - * - * Coda: an Experimental Distributed File System - * Release 3.1 - * - * Copyright (c) 1987-1998 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. - * - * @(#) src/sys/coda/coda.h,v 1.1.1.1 1998/08/29 21:14:52 rvb Exp $ - * $FreeBSD$ - * - */ - - -/* - * - * Based on cfs.h from Mach, but revamped for increased simplicity. - * Linux modifications by Peter Braam, Aug 1996 - */ - -#ifndef _CODA_HEADER_ -#define _CODA_HEADER_ - -#ifdef _KERNEL -#include "opt_coda.h" /* for CODA_COMPAT_5 option */ -#endif - -/* Avoid CODA_COMPAT_5 redefinition in coda5 module */ -#if defined (CODA5_MODULE) && !defined(CODA_COMPAT_5) -#define CODA_COMPAT_5 -#endif - -/* Catch new _KERNEL defn for NetBSD */ -#ifdef __NetBSD__ -#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 struct cdev *; -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/types.h> -#include <sys/time.h> -typedef unsigned long long u_quad_t; -#endif /* !_KERNEL */ -#endif /* !DJGPP */ - - -#if defined(__linux__) -#define cdev_t u_quad_t -#if !defined(_UQUAD_T_) && (!defined(__GLIBC__) || __GLIBC__ < 2) -#define _UQUAD_T_ 1 -typedef unsigned long long u_quad_t; -#endif -#else -#define cdev_t dev_t -#endif - -#ifdef __CYGWIN32__ -typedef unsigned char u_int8_t; -struct timespec { - time_t tv_sec; /* seconds */ - long tv_nsec; /* nanoseconds */ -}; -#endif - -typedef u_int32_t cuid_t; -typedef u_int32_t cgid_t; - -/* - * 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 { - 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 - -struct CodaFid { - u_long Volume; - u_long Vnode; - u_long Unique; -}; - -static __inline__ ino_t coda_f2i(struct CodaFid *fid) -{ - if (!fid) return 0; - return (fid->Unique + (fid->Vnode<<10) + (fid->Volume<<20)); -} - -static __inline__ char * coda_f2s(struct 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 (struct CodaFid *fid1, struct 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 /* CODA_COMPAT_5 */ - -struct CodaFid { - u_int32_t opaque[4]; -}; - -static __inline__ ino_t coda_f2i(struct CodaFid *fid) -{ - if ( ! fid ) - return 0; - return (fid->opaque[3] ^ (fid->opaque[2]<<10) ^ (fid->opaque[1]<<20) ^ fid->opaque[0]); -} - -static __inline__ char * coda_f2s(struct 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 (struct CodaFid *fid1, struct 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 /* CODA_COMPAT_5 */ - -#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 */ - cuid_t va_uid; /* owner user id */ - cgid_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_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 -#define CODA_FLUSH 25 -#define CODA_PURGEUSER 26 -#define CODA_ZAPFILE 27 -#define CODA_ZAPDIR 28 -#define CODA_PURGEFID 30 -#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, int) -#if 0 - /* don't care about kernel version number */ -#define CODA_KERNEL_VERSION 0 - /* The old venus 4.6 compatible interface */ -#define CODA_KERNEL_VERSION 1 -#endif /* realms/cells */ -#ifdef CODA_COMPAT_5 - /* venus_lookup gets an extra parameter to aid windows.*/ -#define CODA_KERNEL_VERSION 2 -#else - /* 128-bit fids for realms */ -#define CODA_KERNEL_VERSION 3 -#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; - pid_t pgid; - cuid_t uid; -}; -#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; - struct CodaFid Fid; -}; - -struct coda_root_in { - struct coda_in_hdr in; -}; - -/* coda_sync: */ -/* Nothing needed for coda_sync */ - -/* coda_open: */ -struct coda_open_in { - struct coda_in_hdr ih; - struct CodaFid Fid; - int flags; -}; - -struct coda_open_out { - struct coda_out_hdr oh; - cdev_t dev; - ino_t inode; -}; - - -/* coda_close: */ -struct coda_close_in { - struct coda_in_hdr ih; - struct CodaFid Fid; - int flags; -}; - -struct coda_close_out { - struct coda_out_hdr out; -}; - -/* coda_ioctl: */ -struct coda_ioctl_in { - struct coda_in_hdr ih; - struct 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; - caddr_t data; /* Place holder for data. */ -}; - - -/* coda_getattr: */ -struct coda_getattr_in { - struct coda_in_hdr ih; - struct 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; - struct 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; - struct 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; - struct CodaFid Fid; - int name; /* Place holder for data. */ - int flags; -}; - -struct coda_lookup_out { - struct coda_out_hdr oh; - struct CodaFid Fid; - int vtype; -}; - - -/* coda_create: */ -struct coda_create_in { - struct coda_in_hdr ih; - struct 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; - struct CodaFid Fid; - struct coda_vattr attr; -}; - - -/* coda_remove: NO_OUT */ -struct coda_remove_in { - struct coda_in_hdr ih; - struct 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; - 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 Fid; - struct coda_vattr attr; - int name; /* Place holder for data. */ -}; - -struct coda_mkdir_out { - struct coda_out_hdr oh; - struct CodaFid Fid; - struct coda_vattr attr; -}; - - -/* coda_rmdir: NO_OUT */ -struct coda_rmdir_in { - struct coda_in_hdr ih; - struct 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; - struct CodaFid Fid; - int count; - int offset; -}; - -struct coda_readdir_out { - struct coda_out_hdr oh; - int size; - caddr_t data; /* Place holder for data. */ -}; - -/* coda_symlink: NO_OUT */ -struct coda_symlink_in { - struct coda_in_hdr ih; - struct 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; - struct CodaFid Fid; -}; - -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 Fid; -}; - -struct coda_fsync_out { - struct coda_out_hdr out; -}; - -/* coda_inactive: NO_OUT */ -struct coda_inactive_in { - struct coda_in_hdr ih; - struct CodaFid Fid; -}; - -/* coda_vget: */ -struct coda_vget_in { - struct coda_in_hdr ih; - struct CodaFid Fid; -}; - -struct coda_vget_out { - struct coda_out_hdr oh; - struct 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 - cuid_t uid; -#endif -}; - -/* coda_zapfile: */ -/* CODA_ZAPFILE is a venus->kernel call */ -struct coda_zapfile_out { - struct coda_out_hdr oh; - struct CodaFid Fid; -}; - -/* coda_zapdir: */ -/* CODA_ZAPDIR is a venus->kernel call */ -struct coda_zapdir_out { - struct coda_out_hdr oh; - struct 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 - struct CodaFid Fid; -}; - -/* coda_purgefid: */ -/* CODA_PURGEFID is a venus->kernel call */ -struct coda_purgefid_out { - struct coda_out_hdr oh; - struct 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; - struct CodaFid NewFid; - struct CodaFid OldFid; -}; - -/* coda_open_by_fd: */ -struct coda_open_by_fd_in { - struct coda_in_hdr ih; - struct CodaFid Fid; - int flags; -}; - -struct coda_open_by_fd_out { - struct coda_out_hdr oh; - int fd; -#ifdef _KERNEL - /* not passed from userspace but used in-kernel only */ - struct vnode *vp; -#endif -}; - -/* coda_open_by_path: */ -struct coda_open_by_path_in { - struct coda_in_hdr ih; - struct 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 { - caddr_t 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 */ -}; - -#if defined(__CYGWIN32__) || defined(DJGPP) -struct PioctlData { - unsigned long cmd; - const char *path; - int follow; - struct ViceIoctl vi; -}; -#else -struct PioctlData { - const char *path; - int follow; - struct ViceIoctl vi; -}; -#endif - -#define CODA_CONTROL ".CONTROL" -#define CODA_CONTROLLEN 8 -#define CTL_VOL -1 -#define CTL_VNO -1 -#define CTL_UNI -1 -#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[1] == CTL_VOL && \ - (fidp)->opaque[2] == CTL_VNO && \ - (fidp)->opaque[3] == CTL_UNI) -#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 - |