diff options
author | Latchesar Ionkov <lucho@ionkov.net> | 2007-07-10 17:57:28 -0500 |
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committer | Eric Van Hensbergen <ericvh@ericvh-desktop.austin.ibm.com> | 2007-07-14 15:13:40 -0500 |
commit | bd238fb431f31989898423c8b6496bc8c4204a86 (patch) | |
tree | f85a536383cbf360125ecb0592f6c515e0ecf0ff /fs/9p/9p.h | |
parent | 8d9107e8c50e1c4ff43c91c8841805833f3ecfb9 (diff) | |
download | linux-next-bd238fb431f31989898423c8b6496bc8c4204a86.tar.gz |
9p: Reorganization of 9p file system code
This patchset moves non-filesystem interfaces of v9fs from fs/9p to net/9p.
It moves the transport, packet marshalling and connection layers to net/9p
leaving only the VFS related files in fs/9p. This work is being done in
preparation for in-kernel 9p servers as well as alternate 9p clients (other
than VFS).
Signed-off-by: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'fs/9p/9p.h')
-rw-r--r-- | fs/9p/9p.h | 375 |
1 files changed, 0 insertions, 375 deletions
diff --git a/fs/9p/9p.h b/fs/9p/9p.h deleted file mode 100644 index 94e2f92ab2e8..000000000000 --- a/fs/9p/9p.h +++ /dev/null @@ -1,375 +0,0 @@ -/* - * linux/fs/9p/9p.h - * - * 9P protocol definitions. - * - * Copyright (C) 2005 by Latchesar Ionkov <lucho@ionkov.net> - * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com> - * Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to: - * Free Software Foundation - * 51 Franklin Street, Fifth Floor - * Boston, MA 02111-1301 USA - * - */ - -/* Message Types */ -enum { - TVERSION = 100, - RVERSION, - TAUTH = 102, - RAUTH, - TATTACH = 104, - RATTACH, - TERROR = 106, - RERROR, - TFLUSH = 108, - RFLUSH, - TWALK = 110, - RWALK, - TOPEN = 112, - ROPEN, - TCREATE = 114, - RCREATE, - TREAD = 116, - RREAD, - TWRITE = 118, - RWRITE, - TCLUNK = 120, - RCLUNK, - TREMOVE = 122, - RREMOVE, - TSTAT = 124, - RSTAT, - TWSTAT = 126, - RWSTAT, -}; - -/* modes */ -enum { - V9FS_OREAD = 0x00, - V9FS_OWRITE = 0x01, - V9FS_ORDWR = 0x02, - V9FS_OEXEC = 0x03, - V9FS_OEXCL = 0x04, - V9FS_OTRUNC = 0x10, - V9FS_OREXEC = 0x20, - V9FS_ORCLOSE = 0x40, - V9FS_OAPPEND = 0x80, -}; - -/* permissions */ -enum { - V9FS_DMDIR = 0x80000000, - V9FS_DMAPPEND = 0x40000000, - V9FS_DMEXCL = 0x20000000, - V9FS_DMMOUNT = 0x10000000, - V9FS_DMAUTH = 0x08000000, - V9FS_DMTMP = 0x04000000, - V9FS_DMSYMLINK = 0x02000000, - V9FS_DMLINK = 0x01000000, - /* 9P2000.u extensions */ - V9FS_DMDEVICE = 0x00800000, - V9FS_DMNAMEDPIPE = 0x00200000, - V9FS_DMSOCKET = 0x00100000, - V9FS_DMSETUID = 0x00080000, - V9FS_DMSETGID = 0x00040000, -}; - -/* qid.types */ -enum { - V9FS_QTDIR = 0x80, - V9FS_QTAPPEND = 0x40, - V9FS_QTEXCL = 0x20, - V9FS_QTMOUNT = 0x10, - V9FS_QTAUTH = 0x08, - V9FS_QTTMP = 0x04, - V9FS_QTSYMLINK = 0x02, - V9FS_QTLINK = 0x01, - V9FS_QTFILE = 0x00, -}; - -#define V9FS_NOTAG (u16)(~0) -#define V9FS_NOFID (u32)(~0) -#define V9FS_MAXWELEM 16 - -/* ample room for Twrite/Rread header (iounit) */ -#define V9FS_IOHDRSZ 24 - -struct v9fs_str { - u16 len; - char *str; -}; - -/* qids are the unique ID for a file (like an inode */ -struct v9fs_qid { - u8 type; - u32 version; - u64 path; -}; - -/* Plan 9 file metadata (stat) structure */ -struct v9fs_stat { - u16 size; - u16 type; - u32 dev; - struct v9fs_qid qid; - u32 mode; - u32 atime; - u32 mtime; - u64 length; - struct v9fs_str name; - struct v9fs_str uid; - struct v9fs_str gid; - struct v9fs_str muid; - struct v9fs_str extension; /* 9p2000.u extensions */ - u32 n_uid; /* 9p2000.u extensions */ - u32 n_gid; /* 9p2000.u extensions */ - u32 n_muid; /* 9p2000.u extensions */ -}; - -/* file metadata (stat) structure used to create Twstat message - The is similar to v9fs_stat, but the strings don't point to - the same memory block and should be freed separately -*/ -struct v9fs_wstat { - u16 size; - u16 type; - u32 dev; - struct v9fs_qid qid; - u32 mode; - u32 atime; - u32 mtime; - u64 length; - char *name; - char *uid; - char *gid; - char *muid; - char *extension; /* 9p2000.u extensions */ - u32 n_uid; /* 9p2000.u extensions */ - u32 n_gid; /* 9p2000.u extensions */ - u32 n_muid; /* 9p2000.u extensions */ -}; - -/* Structures for Protocol Operations */ - -struct Tversion { - u32 msize; - struct v9fs_str version; -}; - -struct Rversion { - u32 msize; - struct v9fs_str version; -}; - -struct Tauth { - u32 afid; - struct v9fs_str uname; - struct v9fs_str aname; -}; - -struct Rauth { - struct v9fs_qid qid; -}; - -struct Rerror { - struct v9fs_str error; - u32 errno; /* 9p2000.u extension */ -}; - -struct Tflush { - u16 oldtag; -}; - -struct Rflush { -}; - -struct Tattach { - u32 fid; - u32 afid; - struct v9fs_str uname; - struct v9fs_str aname; -}; - -struct Rattach { - struct v9fs_qid qid; -}; - -struct Twalk { - u32 fid; - u32 newfid; - u16 nwname; - struct v9fs_str wnames[16]; -}; - -struct Rwalk { - u16 nwqid; - struct v9fs_qid wqids[16]; -}; - -struct Topen { - u32 fid; - u8 mode; -}; - -struct Ropen { - struct v9fs_qid qid; - u32 iounit; -}; - -struct Tcreate { - u32 fid; - struct v9fs_str name; - u32 perm; - u8 mode; - struct v9fs_str extension; -}; - -struct Rcreate { - struct v9fs_qid qid; - u32 iounit; -}; - -struct Tread { - u32 fid; - u64 offset; - u32 count; -}; - -struct Rread { - u32 count; - u8 *data; -}; - -struct Twrite { - u32 fid; - u64 offset; - u32 count; - u8 *data; -}; - -struct Rwrite { - u32 count; -}; - -struct Tclunk { - u32 fid; -}; - -struct Rclunk { -}; - -struct Tremove { - u32 fid; -}; - -struct Rremove { -}; - -struct Tstat { - u32 fid; -}; - -struct Rstat { - struct v9fs_stat stat; -}; - -struct Twstat { - u32 fid; - struct v9fs_stat stat; -}; - -struct Rwstat { -}; - -/* - * fcall is the primary packet structure - * - */ - -struct v9fs_fcall { - u32 size; - u8 id; - u16 tag; - void *sdata; - - union { - struct Tversion tversion; - struct Rversion rversion; - struct Tauth tauth; - struct Rauth rauth; - struct Rerror rerror; - struct Tflush tflush; - struct Rflush rflush; - struct Tattach tattach; - struct Rattach rattach; - struct Twalk twalk; - struct Rwalk rwalk; - struct Topen topen; - struct Ropen ropen; - struct Tcreate tcreate; - struct Rcreate rcreate; - struct Tread tread; - struct Rread rread; - struct Twrite twrite; - struct Rwrite rwrite; - struct Tclunk tclunk; - struct Rclunk rclunk; - struct Tremove tremove; - struct Rremove rremove; - struct Tstat tstat; - struct Rstat rstat; - struct Twstat twstat; - struct Rwstat rwstat; - } params; -}; - -#define PRINT_FCALL_ERROR(s, fcall) dprintk(DEBUG_ERROR, "%s: %.*s\n", s, \ - fcall?fcall->params.rerror.error.len:0, \ - fcall?fcall->params.rerror.error.str:""); - -int v9fs_t_version(struct v9fs_session_info *v9ses, u32 msize, - char *version, struct v9fs_fcall **rcall); - -int v9fs_t_attach(struct v9fs_session_info *v9ses, char *uname, char *aname, - u32 fid, u32 afid, struct v9fs_fcall **rcall); - -int v9fs_t_clunk(struct v9fs_session_info *v9ses, u32 fid); - -int v9fs_t_stat(struct v9fs_session_info *v9ses, u32 fid, - struct v9fs_fcall **rcall); - -int v9fs_t_wstat(struct v9fs_session_info *v9ses, u32 fid, - struct v9fs_wstat *wstat, struct v9fs_fcall **rcall); - -int v9fs_t_walk(struct v9fs_session_info *v9ses, u32 fid, u32 newfid, - char *name, struct v9fs_fcall **rcall); - -int v9fs_t_open(struct v9fs_session_info *v9ses, u32 fid, u8 mode, - struct v9fs_fcall **rcall); - -int v9fs_t_remove(struct v9fs_session_info *v9ses, u32 fid, - struct v9fs_fcall **rcall); - -int v9fs_t_create(struct v9fs_session_info *v9ses, u32 fid, char *name, - u32 perm, u8 mode, char *extension, struct v9fs_fcall **rcall); - -int v9fs_t_read(struct v9fs_session_info *v9ses, u32 fid, - u64 offset, u32 count, struct v9fs_fcall **rcall); - -int v9fs_t_write(struct v9fs_session_info *v9ses, u32 fid, u64 offset, - u32 count, const char __user * data, - struct v9fs_fcall **rcall); -int v9fs_printfcall(char *, int, struct v9fs_fcall *, int); |