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author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:20:36 -0700 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:20:36 -0700 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/linux/coda.h | |
download | kernel_samsung_aries-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.zip kernel_samsung_aries-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.gz kernel_samsung_aries-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.bz2 |
Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'include/linux/coda.h')
-rw-r--r-- | include/linux/coda.h | 788 |
1 files changed, 788 insertions, 0 deletions
diff --git a/include/linux/coda.h b/include/linux/coda.h new file mode 100644 index 0000000..bbc5afc --- /dev/null +++ b/include/linux/coda.h @@ -0,0 +1,788 @@ +/* + 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 _CODA_HEADER_ +#define _CODA_HEADER_ + +#include <linux/config.h> + +/* 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 +#else /*__KERNEL__ */ +typedef unsigned long long u_quad_t; +#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_ */ + +#ifdef CONFIG_CODA_FS_OLD_API +struct CodaFid { + u_int32_t opaque[3]; +}; + +static __inline__ ino_t coda_f2i(struct CodaFid *fid) +{ + if ( ! fid ) + return 0; + if (fid->opaque[1] == 0xfffffffe || fid->opaque[1] == 0xffffffff) + return ((fid->opaque[0] << 20) | (fid->opaque[2] & 0xfffff)); + else + return (fid->opaque[2] + (fid->opaque[1]<<10) + (fid->opaque[0]<<20)); +} + +struct coda_cred { + vuid_t cr_uid, cr_euid, cr_suid, cr_fsuid; /* Real, efftve, set, fs uid*/ + vgid_t cr_groupid, cr_egid, cr_sgid, cr_fsgid; /* same for groups */ +}; + +#else /* not defined(CONFIG_CODA_FS_OLD_API) */ + +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) + +#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 */ + 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) + +#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 CONFIG_CODA_FS_OLD_API +#define CODA_KERNEL_VERSION 2 /* venus_lookup got an extra parameter */ +#else +#define CODA_KERNEL_VERSION 3 /* 128-bit file identifiers */ +#endif + +/* + * Venus <-> Coda RPC arguments + */ +struct coda_in_hdr { + u_int32_t opcode; + u_int32_t unique; /* Keep multiple outstanding msgs distinct */ +#ifdef CONFIG_CODA_FS_OLD_API + u_int16_t pid; /* Common to all */ + u_int16_t pgid; /* Common to all */ + u_int16_t sid; /* Common to all */ + struct coda_cred cred; /* Common to all */ +#else + pid_t pid; + pid_t pgid; + vuid_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 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; +#ifdef CONFIG_CODA_FS_OLD_API + struct coda_cred cred; +#else + vuid_t uid; +#endif +}; + +/* 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 + |