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 patch:
Moves the non-VFS related header files from fs/9p to include/net/9p.
Signed-off-by: Latchesar Ionkov <lucho@xxxxxxxxxx>
---
fs/9p/9p.h | 415 --------------------------------------------
fs/9p/conn.h | 53 ------
fs/9p/conv.c | 2 +-
fs/9p/fcall.c | 6 +-
fs/9p/fcprint.c | 2 +-
fs/9p/fid.c | 2 +-
fs/9p/mux.c | 6 +-
fs/9p/trans_fd.c | 4 +-
fs/9p/transport.h | 49 -----
fs/9p/util.c | 2 +-
fs/9p/v9fs.c | 6 +-
fs/9p/vfs_addr.c | 2 +-
fs/9p/vfs_dentry.c | 2 +-
fs/9p/vfs_dir.c | 2 +-
fs/9p/vfs_file.c | 2 +-
fs/9p/vfs_inode.c | 2 +-
fs/9p/vfs_super.c | 2 +-
include/net/9p/9p.h | 415 ++++++++++++++++++++++++++++++++++++++++++++
include/net/9p/conn.h | 53 ++++++
include/net/9p/transport.h | 49 +++++
20 files changed, 538 insertions(+), 538 deletions(-)
diff --git a/fs/9p/9p.h b/fs/9p/9p.h
deleted file mode 100644
index 153129b..0000000
--- a/fs/9p/9p.h
+++ /dev/null
@@ -1,415 +0,0 @@
-/*
- * include/net/9p/9p.h
- *
- * 9P protocol definitions.
- *
- * Copyright (C) 2005 by Latchesar Ionkov <lucho@xxxxxxxxxx>
- * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@xxxxxxxxx>
- * Copyright (C) 2002 by Ron Minnich <rminnich@xxxxxxxx>
- *
- * 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
- *
- */
-
-#ifndef NET_9P_H
-#define NET_9P_H
-
-#define CONFIG_NET_9P_DEBUG
-
-#ifdef CONFIG_NET_9P_DEBUG
-
-#define P9_DEBUG_ERROR (1<<0)
-#define P9_DEBUG_9P (1<<2)
-#define P9_DEBUG_VFS (1<<3)
-#define P9_DEBUG_CONV (1<<4)
-#define P9_DEBUG_MUX (1<<5)
-#define P9_DEBUG_TRANS (1<<6)
-#define P9_DEBUG_SLABS (1<<7)
-#define P9_DEBUG_FCALL (1<<8)
-
-extern unsigned int p9_debug_level;
-
-#define P9_DPRINTK(level, format, arg...) \
-do { \
- if((p9_debug_level & level)==level) \
- printk(KERN_NOTICE "-- %s (%d): " \
- format , __FUNCTION__, current->pid , ## arg); \
-} while(0)
-
-#define PRINT_FCALL_ERROR(s, fcall) P9_DPRINTK(P9_DEBUG_ERROR, "%s:
%.*s\n", s, \
- fcall?fcall->params.rerror.error.len:0, \
- fcall?fcall->params.rerror.error.str:"");
-
-#else
-#define P9_DPRINTK(level, format, arg...) do { } while (0)
-#define PRINT_FCALL_ERROR(s, fcall) do { } while (0)
-#endif
-
-#define P9_EPRINTK(level, format, arg...) \
-do { \
- printk(level "9p: %s (%d): " \
- format , __FUNCTION__, current->pid , ## arg); \
-} while(0)
-
-
-/* Message Types */
-enum {
- P9_TVERSION = 100,
- P9_RVERSION,
- P9_TAUTH = 102,
- P9_RAUTH,
- P9_TATTACH = 104,
- P9_RATTACH,
- P9_TERROR = 106,
- P9_RERROR,
- P9_TFLUSH = 108,
- P9_RFLUSH,
- P9_TWALK = 110,
- P9_RWALK,
- P9_TOPEN = 112,
- P9_ROPEN,
- P9_TCREATE = 114,
- P9_RCREATE,
- P9_TREAD = 116,
- P9_RREAD,
- P9_TWRITE = 118,
- P9_RWRITE,
- P9_TCLUNK = 120,
- P9_RCLUNK,
- P9_TREMOVE = 122,
- P9_RREMOVE,
- P9_TSTAT = 124,
- P9_RSTAT,
- P9_TWSTAT = 126,
- P9_RWSTAT,
-};
-
-/* open modes */
-enum {
- P9_OREAD = 0x00,
- P9_OWRITE = 0x01,
- P9_ORDWR = 0x02,
- P9_OEXEC = 0x03,
- P9_OEXCL = 0x04,
- P9_OTRUNC = 0x10,
- P9_OREXEC = 0x20,
- P9_ORCLOSE = 0x40,
- P9_OAPPEND = 0x80,
-};
-
-/* permissions */
-enum {
- P9_DMDIR = 0x80000000,
- P9_DMAPPEND = 0x40000000,
- P9_DMEXCL = 0x20000000,
- P9_DMMOUNT = 0x10000000,
- P9_DMAUTH = 0x08000000,
- P9_DMTMP = 0x04000000,
- P9_DMSYMLINK = 0x02000000,
- P9_DMLINK = 0x01000000,
- /* 9P2000.u extensions */
- P9_DMDEVICE = 0x00800000,
- P9_DMNAMEDPIPE = 0x00200000,
- P9_DMSOCKET = 0x00100000,
- P9_DMSETUID = 0x00080000,
- P9_DMSETGID = 0x00040000,
-};
-
-/* qid.types */
-enum {
- P9_QTDIR = 0x80,
- P9_QTAPPEND = 0x40,
- P9_QTEXCL = 0x20,
- P9_QTMOUNT = 0x10,
- P9_QTAUTH = 0x08,
- P9_QTTMP = 0x04,
- P9_QTSYMLINK = 0x02,
- P9_QTLINK = 0x01,
- P9_QTFILE = 0x00,
-};
-
-#define P9_NOTAG (u16)(~0)
-#define P9_NOFID (u32)(~0)
-#define P9_MAXWELEM 16
-
-/* ample room for Twrite/Rread header */
-#define P9_IOHDRSZ 24
-
-struct p9_str {
- u16 len;
- char *str;
-};
-
-/* qids are the unique ID for a file (like an inode */
-struct p9_qid {
- u8 type;
- u32 version;
- u64 path;
-};
-
-/* Plan 9 file metadata (stat) structure */
-struct p9_stat {
- u16 size;
- u16 type;
- u32 dev;
- struct p9_qid qid;
- u32 mode;
- u32 atime;
- u32 mtime;
- u64 length;
- struct p9_str name;
- struct p9_str uid;
- struct p9_str gid;
- struct p9_str muid;
- struct p9_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 p9_stat, but the strings don't point to
- the same memory block and should be freed separately
-*/
-struct p9_wstat {
- u16 size;
- u16 type;
- u32 dev;
- struct p9_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 p9_tversion {
- u32 msize;
- struct p9_str version;
-};
-
-struct p9_rversion {
- u32 msize;
- struct p9_str version;
-};
-
-struct p9_tauth {
- u32 afid;
- struct p9_str uname;
- struct p9_str aname;
-};
-
-struct p9_rauth {
- struct p9_qid qid;
-};
-
-struct p9_rerror {
- struct p9_str error;
- u32 errno; /* 9p2000.u extension */
-};
-
-struct p9_tflush {
- u16 oldtag;
-};
-
-struct p9_rflush {
-};
-
-struct p9_tattach {
- u32 fid;
- u32 afid;
- struct p9_str uname;
- struct p9_str aname;
-};
-
-struct p9_rattach {
- struct p9_qid qid;
-};
-
-struct p9_twalk {
- u32 fid;
- u32 newfid;
- u16 nwname;
- struct p9_str wnames[16];
-};
-
-struct p9_rwalk {
- u16 nwqid;
- struct p9_qid wqids[16];
-};
-
-struct p9_topen {
- u32 fid;
- u8 mode;
-};
-
-struct p9_ropen {
- struct p9_qid qid;
- u32 iounit;
-};
-
-struct p9_tcreate {
- u32 fid;
- struct p9_str name;
- u32 perm;
- u8 mode;
- struct p9_str extension;
-};
-
-struct p9_rcreate {
- struct p9_qid qid;
- u32 iounit;
-};
-
-struct p9_tread {
- u32 fid;
- u64 offset;
- u32 count;
-};
-
-struct p9_rread {
- u32 count;
- u8 *data;
-};
-
-struct p9_twrite {
- u32 fid;
- u64 offset;
- u32 count;
- u8 *data;
-};
-
-struct p9_rwrite {
- u32 count;
-};
-
-struct p9_tclunk {
- u32 fid;
-};
-
-struct p9_rclunk {
-};
-
-struct p9_tremove {
- u32 fid;
-};
-
-struct p9_rremove {
-};
-
-struct p9_tstat {
- u32 fid;
-};
-
-struct p9_rstat {
- struct p9_stat stat;
-};
-
-struct p9_twstat {
- u32 fid;
- struct p9_stat stat;
-};
-
-struct p9_rwstat {
-};
-
-/*
- * fcall is the primary packet structure
- *
- */
-
-struct p9_fcall {
- u32 size;
- u8 id;
- u16 tag;
- void *sdata;
-
- union {
- struct p9_tversion tversion;
- struct p9_rversion rversion;
- struct p9_tauth tauth;
- struct p9_rauth rauth;
- struct p9_rerror rerror;
- struct p9_tflush tflush;
- struct p9_rflush rflush;
- struct p9_tattach tattach;
- struct p9_rattach rattach;
- struct p9_twalk twalk;
- struct p9_rwalk rwalk;
- struct p9_topen topen;
- struct p9_ropen ropen;
- struct p9_tcreate tcreate;
- struct p9_rcreate rcreate;
- struct p9_tread tread;
- struct p9_rread rread;
- struct p9_twrite twrite;
- struct p9_rwrite rwrite;
- struct p9_tclunk tclunk;
- struct p9_rclunk rclunk;
- struct p9_tremove tremove;
- struct p9_rremove rremove;
- struct p9_tstat tstat;
- struct p9_rstat rstat;
- struct p9_twstat twstat;
- struct p9_rwstat rwstat;
- } params;
-};
-
-struct p9_idpool;
-
-int p9_deserialize_stat(void *buf, u32 buflen, struct p9_stat *stat,
- int dotu);
-int p9_deserialize_fcall(void *buf, u32 buflen, struct p9_fcall *fc, int dotu);
-void p9_set_tag(struct p9_fcall *fc, u16 tag);
-struct p9_fcall *p9_create_tversion(u32 msize, char *version);
-struct p9_fcall *p9_create_tattach(u32 fid, u32 afid, char *uname,
- char *aname);
-struct p9_fcall *p9_create_tauth(u32 afid, char *uname, char *aname);
-struct p9_fcall *p9_create_tflush(u16 oldtag);
-struct p9_fcall *p9_create_twalk(u32 fid, u32 newfid, u16 nwname,
- char **wnames);
-struct p9_fcall *p9_create_topen(u32 fid, u8 mode);
-struct p9_fcall *p9_create_tcreate(u32 fid, char *name, u32 perm, u8 mode,
- char *extension, int dotu);
-struct p9_fcall *p9_create_tread(u32 fid, u64 offset, u32 count);
-struct p9_fcall *p9_create_twrite(u32 fid, u64 offset, u32 count,
- const char *data);
-struct p9_fcall *p9_create_twrite_u(u32 fid, u64 offset, u32 count,
- const char __user *data);
-struct p9_fcall *p9_create_tclunk(u32 fid);
-struct p9_fcall *p9_create_tremove(u32 fid);
-struct p9_fcall *p9_create_tstat(u32 fid);
-struct p9_fcall *p9_create_twstat(u32 fid, struct p9_wstat *wstat,
- int dotu);
-
-int p9_printfcall(char *buf, int buflen, struct p9_fcall *fc, int dotu);
-int p9_errstr2errno(char *errstr, int len);
-
-struct p9_idpool *p9_idpool_create(void);
-void p9_idpool_destroy(struct p9_idpool *);
-int p9_idpool_get(struct p9_idpool *p);
-void p9_idpool_put(int id, struct p9_idpool *p);
-int p9_idpool_check(int id, struct p9_idpool *p);
-
-#endif /* NET_9P_H */
diff --git a/fs/9p/conn.h b/fs/9p/conn.h
deleted file mode 100644
index 6e47684..0000000
--- a/fs/9p/conn.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * include/net/9p/conn.h
- *
- * Connection Definitions
- *
- * Copyright (C) 2005 by Latchesar Ionkov <lucho@xxxxxxxxxx>
- * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@xxxxxxxxx>
- *
- * 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
- *
- */
-
-#ifndef NET_9P_CONN_H
-#define NET_9P_CONN_H
-
-struct p9_conn;
-struct p9_req;
-
-/**
- * p9_mux_req_callback - callback function that is called when the
- * response of a request is received. The callback is called from
- * a workqueue and shouldn't block.
- *
- * @req - request
- * @a - the pointer that was specified when the request was send to be
- * passed to the callback
- */
-typedef void (*p9_conn_req_callback)(struct p9_req *req, void *a);
-
-struct p9_conn *p9_conn_create(struct p9_transport *trans, int msize,
- unsigned char *dotu);
-void p9_conn_destroy(struct p9_conn *);
-int p9_conn_rpc(struct p9_conn *m, struct p9_fcall *tc, struct p9_fcall **rc);
-#if 0
-int p9_conn_rpcnb(struct p9_conn *m, struct p9_fcall *tc,
- p9_conn_req_callback cb, void *a);
-#endif
-void p9_conn_cancel(struct p9_conn *m, int err);
-
-#endif /* NET_9P_CONN_H */
diff --git a/fs/9p/conv.c b/fs/9p/conv.c
index 0c4a134..0ce149d 100644
--- a/fs/9p/conv.c
+++ b/fs/9p/conv.c
@@ -30,7 +30,7 @@
#include <linux/sched.h>
#include <linux/idr.h>
#include <asm/uaccess.h>
-#include "9p.h"
+#include <net/9p/9p.h>
/*
* Buffer to help with string parsing
diff --git a/fs/9p/fcall.c b/fs/9p/fcall.c
index e4bd0cb..6863d86 100644
--- a/fs/9p/fcall.c
+++ b/fs/9p/fcall.c
@@ -29,9 +29,9 @@
#include <linux/fs.h>
#include <linux/sched.h>
#include <linux/idr.h>
-#include "9p.h"
-#include "transport.h"
-#include "conn.h"
+#include <net/9p/9p.h>
+#include <net/9p/transport.h>
+#include <net/9p/conn.h>
#include "v9fs.h"
/**
diff --git a/fs/9p/fcprint.c b/fs/9p/fcprint.c
index 2a80c4b..9fc29fe 100644
--- a/fs/9p/fcprint.c
+++ b/fs/9p/fcprint.c
@@ -25,7 +25,7 @@
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/idr.h>
-#include "9p.h"
+#include <net/9p/9p.h>
#ifdef CONFIG_NET_9P_DEBUG
diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index 68d69ef..713b802 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -26,7 +26,7 @@
#include <linux/sched.h>
#include <linux/idr.h>
#include <asm/semaphore.h>
-#include "9p.h"
+#include <net/9p/9p.h>
#include "v9fs.h"
#include "v9fs_vfs.h"
#include "fid.h"
diff --git a/fs/9p/mux.c b/fs/9p/mux.c
index 0c0eb23..2436e93 100644
--- a/fs/9p/mux.c
+++ b/fs/9p/mux.c
@@ -30,9 +30,9 @@
#include <linux/kthread.h>
#include <linux/idr.h>
#include <linux/mutex.h>
-#include "9p.h"
-#include "transport.h"
-#include "conn.h"
+#include <net/9p/9p.h>
+#include <net/9p/transport.h>
+#include <net/9p/conn.h>
#define ERREQFLUSH 1
#define SCHED_TIMEOUT 10
diff --git a/fs/9p/trans_fd.c b/fs/9p/trans_fd.c
index deccd9e..cd33885 100644
--- a/fs/9p/trans_fd.c
+++ b/fs/9p/trans_fd.c
@@ -36,8 +36,8 @@
#include <linux/inet.h>
#include <linux/idr.h>
#include <linux/file.h>
-#include "9p.h"
-#include "transport.h"
+#include <net/9p/9p.h>
+#include <net/9p/transport.h>
#define P9_PORT 564
diff --git a/fs/9p/transport.h b/fs/9p/transport.h
deleted file mode 100644
index 462d422..0000000
--- a/fs/9p/transport.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * include/net/9p/transport.h
- *
- * Transport Definition
- *
- * Copyright (C) 2005 by Latchesar Ionkov <lucho@xxxxxxxxxx>
- * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@xxxxxxxxx>
- *
- * 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
- *
- */
-
-#ifndef NET_9P_TRANSPORT_H
-#define NET_9P_TRANSPORT_H
-
-enum p9_transport_status {
- Connected,
- Disconnected,
- Hung,
-};
-
-struct p9_transport {
- enum p9_transport_status status;
- void *priv;
-
- int (*write) (struct p9_transport *, void *, int);
- int (*read) (struct p9_transport *, void *, int);
- void (*close) (struct p9_transport *);
- unsigned int (*poll)(struct p9_transport *, struct poll_table_struct *);
-};
-
-struct p9_transport *p9_trans_create_tcp(const char *addr, int port);
-struct p9_transport *p9_trans_create_unix(const char *addr);
-struct p9_transport *p9_trans_create_fd(int rfd, int wfd);
-
-#endif /* NET_9P_TRANSPORT_H */
diff --git a/fs/9p/util.c b/fs/9p/util.c
index 9910e3e..22077b7 100644
--- a/fs/9p/util.c
+++ b/fs/9p/util.c
@@ -30,7 +30,7 @@
#include <linux/sched.h>
#include <linux/parser.h>
#include <linux/idr.h>
-#include "9p.h"
+#include <net/9p/9p.h>
struct p9_idpool {
struct semaphore lock;
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 52dba51..d1b50d0 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -29,9 +29,9 @@
#include <linux/sched.h>
#include <linux/parser.h>
#include <linux/idr.h>
-#include "9p.h"
-#include "transport.h"
-#include "conn.h"
+#include <net/9p/9p.h>
+#include <net/9p/transport.h>
+#include <net/9p/conn.h>
#include "v9fs.h"
#include "v9fs_vfs.h"
diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
index 1470cb8..2b45de0 100644
--- a/fs/9p/vfs_addr.c
+++ b/fs/9p/vfs_addr.c
@@ -33,7 +33,7 @@
#include <linux/inet.h>
#include <linux/pagemap.h>
#include <linux/idr.h>
-#include "9p.h"
+#include <net/9p/9p.h>
#include "v9fs.h"
#include "v9fs_vfs.h"
#include "fid.h"
diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c
index 070a9b5..9ba3041 100644
--- a/fs/9p/vfs_dentry.c
+++ b/fs/9p/vfs_dentry.c
@@ -34,7 +34,7 @@
#include <linux/inet.h>
#include <linux/namei.h>
#include <linux/idr.h>
-#include "9p.h"
+#include <net/9p/9p.h>
#include "v9fs.h"
#include "v9fs_vfs.h"
#include "fid.h"
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index a28639b..432571f 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -33,7 +33,7 @@
#include <linux/sched.h>
#include <linux/inet.h>
#include <linux/idr.h>
-#include "9p.h"
+#include <net/9p/9p.h>
#include "v9fs.h"
#include "v9fs_vfs.h"
#include "fid.h"
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index a6bf0fc..b2436aa 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -35,7 +35,7 @@
#include <linux/list.h>
#include <asm/uaccess.h>
#include <linux/idr.h>
-#include "9p.h"
+#include <net/9p/9p.h>
#include "v9fs.h"
#include "v9fs_vfs.h"
#include "fid.h"
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index a74c93e..7d951e2 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -34,7 +34,7 @@
#include <linux/inet.h>
#include <linux/namei.h>
#include <linux/idr.h>
-#include "9p.h"
+#include <net/9p/9p.h>
#include "v9fs.h"
#include "v9fs_vfs.h"
#include "fid.h"
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 68d9e4a..02b9764 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -37,7 +37,7 @@
#include <linux/seq_file.h>
#include <linux/mount.h>
#include <linux/idr.h>
-#include "9p.h"
+#include <net/9p/9p.h>
#include "v9fs.h"
#include "v9fs_vfs.h"
#include "fid.h"
diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
new file mode 100644
index 0000000..153129b
--- /dev/null
+++ b/include/net/9p/9p.h
@@ -0,0 +1,415 @@
+/*
+ * include/net/9p/9p.h
+ *
+ * 9P protocol definitions.
+ *
+ * Copyright (C) 2005 by Latchesar Ionkov <lucho@xxxxxxxxxx>
+ * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@xxxxxxxxx>
+ * Copyright (C) 2002 by Ron Minnich <rminnich@xxxxxxxx>
+ *
+ * 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
+ *
+ */
+
+#ifndef NET_9P_H
+#define NET_9P_H
+
+#define CONFIG_NET_9P_DEBUG
+
+#ifdef CONFIG_NET_9P_DEBUG
+
+#define P9_DEBUG_ERROR (1<<0)
+#define P9_DEBUG_9P (1<<2)
+#define P9_DEBUG_VFS (1<<3)
+#define P9_DEBUG_CONV (1<<4)
+#define P9_DEBUG_MUX (1<<5)
+#define P9_DEBUG_TRANS (1<<6)
+#define P9_DEBUG_SLABS (1<<7)
+#define P9_DEBUG_FCALL (1<<8)
+
+extern unsigned int p9_debug_level;
+
+#define P9_DPRINTK(level, format, arg...) \
+do { \
+ if((p9_debug_level & level)==level) \
+ printk(KERN_NOTICE "-- %s (%d): " \
+ format , __FUNCTION__, current->pid , ## arg); \
+} while(0)
+
+#define PRINT_FCALL_ERROR(s, fcall) P9_DPRINTK(P9_DEBUG_ERROR, "%s:
%.*s\n", s, \
+ fcall?fcall->params.rerror.error.len:0, \
+ fcall?fcall->params.rerror.error.str:"");
+
+#else
+#define P9_DPRINTK(level, format, arg...) do { } while (0)
+#define PRINT_FCALL_ERROR(s, fcall) do { } while (0)
+#endif
+
+#define P9_EPRINTK(level, format, arg...) \
+do { \
+ printk(level "9p: %s (%d): " \
+ format , __FUNCTION__, current->pid , ## arg); \
+} while(0)
+
+
+/* Message Types */
+enum {
+ P9_TVERSION = 100,
+ P9_RVERSION,
+ P9_TAUTH = 102,
+ P9_RAUTH,
+ P9_TATTACH = 104,
+ P9_RATTACH,
+ P9_TERROR = 106,
+ P9_RERROR,
+ P9_TFLUSH = 108,
+ P9_RFLUSH,
+ P9_TWALK = 110,
+ P9_RWALK,
+ P9_TOPEN = 112,
+ P9_ROPEN,
+ P9_TCREATE = 114,
+ P9_RCREATE,
+ P9_TREAD = 116,
+ P9_RREAD,
+ P9_TWRITE = 118,
+ P9_RWRITE,
+ P9_TCLUNK = 120,
+ P9_RCLUNK,
+ P9_TREMOVE = 122,
+ P9_RREMOVE,
+ P9_TSTAT = 124,
+ P9_RSTAT,
+ P9_TWSTAT = 126,
+ P9_RWSTAT,
+};
+
+/* open modes */
+enum {
+ P9_OREAD = 0x00,
+ P9_OWRITE = 0x01,
+ P9_ORDWR = 0x02,
+ P9_OEXEC = 0x03,
+ P9_OEXCL = 0x04,
+ P9_OTRUNC = 0x10,
+ P9_OREXEC = 0x20,
+ P9_ORCLOSE = 0x40,
+ P9_OAPPEND = 0x80,
+};
+
+/* permissions */
+enum {
+ P9_DMDIR = 0x80000000,
+ P9_DMAPPEND = 0x40000000,
+ P9_DMEXCL = 0x20000000,
+ P9_DMMOUNT = 0x10000000,
+ P9_DMAUTH = 0x08000000,
+ P9_DMTMP = 0x04000000,
+ P9_DMSYMLINK = 0x02000000,
+ P9_DMLINK = 0x01000000,
+ /* 9P2000.u extensions */
+ P9_DMDEVICE = 0x00800000,
+ P9_DMNAMEDPIPE = 0x00200000,
+ P9_DMSOCKET = 0x00100000,
+ P9_DMSETUID = 0x00080000,
+ P9_DMSETGID = 0x00040000,
+};
+
+/* qid.types */
+enum {
+ P9_QTDIR = 0x80,
+ P9_QTAPPEND = 0x40,
+ P9_QTEXCL = 0x20,
+ P9_QTMOUNT = 0x10,
+ P9_QTAUTH = 0x08,
+ P9_QTTMP = 0x04,
+ P9_QTSYMLINK = 0x02,
+ P9_QTLINK = 0x01,
+ P9_QTFILE = 0x00,
+};
+
+#define P9_NOTAG (u16)(~0)
+#define P9_NOFID (u32)(~0)
+#define P9_MAXWELEM 16
+
+/* ample room for Twrite/Rread header */
+#define P9_IOHDRSZ 24
+
+struct p9_str {
+ u16 len;
+ char *str;
+};
+
+/* qids are the unique ID for a file (like an inode */
+struct p9_qid {
+ u8 type;
+ u32 version;
+ u64 path;
+};
+
+/* Plan 9 file metadata (stat) structure */
+struct p9_stat {
+ u16 size;
+ u16 type;
+ u32 dev;
+ struct p9_qid qid;
+ u32 mode;
+ u32 atime;
+ u32 mtime;
+ u64 length;
+ struct p9_str name;
+ struct p9_str uid;
+ struct p9_str gid;
+ struct p9_str muid;
+ struct p9_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 p9_stat, but the strings don't point to
+ the same memory block and should be freed separately
+*/
+struct p9_wstat {
+ u16 size;
+ u16 type;
+ u32 dev;
+ struct p9_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 p9_tversion {
+ u32 msize;
+ struct p9_str version;
+};
+
+struct p9_rversion {
+ u32 msize;
+ struct p9_str version;
+};
+
+struct p9_tauth {
+ u32 afid;
+ struct p9_str uname;
+ struct p9_str aname;
+};
+
+struct p9_rauth {
+ struct p9_qid qid;
+};
+
+struct p9_rerror {
+ struct p9_str error;
+ u32 errno; /* 9p2000.u extension */
+};
+
+struct p9_tflush {
+ u16 oldtag;
+};
+
+struct p9_rflush {
+};
+
+struct p9_tattach {
+ u32 fid;
+ u32 afid;
+ struct p9_str uname;
+ struct p9_str aname;
+};
+
+struct p9_rattach {
+ struct p9_qid qid;
+};
+
+struct p9_twalk {
+ u32 fid;
+ u32 newfid;
+ u16 nwname;
+ struct p9_str wnames[16];
+};
+
+struct p9_rwalk {
+ u16 nwqid;
+ struct p9_qid wqids[16];
+};
+
+struct p9_topen {
+ u32 fid;
+ u8 mode;
+};
+
+struct p9_ropen {
+ struct p9_qid qid;
+ u32 iounit;
+};
+
+struct p9_tcreate {
+ u32 fid;
+ struct p9_str name;
+ u32 perm;
+ u8 mode;
+ struct p9_str extension;
+};
+
+struct p9_rcreate {
+ struct p9_qid qid;
+ u32 iounit;
+};
+
+struct p9_tread {
+ u32 fid;
+ u64 offset;
+ u32 count;
+};
+
+struct p9_rread {
+ u32 count;
+ u8 *data;
+};
+
+struct p9_twrite {
+ u32 fid;
+ u64 offset;
+ u32 count;
+ u8 *data;
+};
+
+struct p9_rwrite {
+ u32 count;
+};
+
+struct p9_tclunk {
+ u32 fid;
+};
+
+struct p9_rclunk {
+};
+
+struct p9_tremove {
+ u32 fid;
+};
+
+struct p9_rremove {
+};
+
+struct p9_tstat {
+ u32 fid;
+};
+
+struct p9_rstat {
+ struct p9_stat stat;
+};
+
+struct p9_twstat {
+ u32 fid;
+ struct p9_stat stat;
+};
+
+struct p9_rwstat {
+};
+
+/*
+ * fcall is the primary packet structure
+ *
+ */
+
+struct p9_fcall {
+ u32 size;
+ u8 id;
+ u16 tag;
+ void *sdata;
+
+ union {
+ struct p9_tversion tversion;
+ struct p9_rversion rversion;
+ struct p9_tauth tauth;
+ struct p9_rauth rauth;
+ struct p9_rerror rerror;
+ struct p9_tflush tflush;
+ struct p9_rflush rflush;
+ struct p9_tattach tattach;
+ struct p9_rattach rattach;
+ struct p9_twalk twalk;
+ struct p9_rwalk rwalk;
+ struct p9_topen topen;
+ struct p9_ropen ropen;
+ struct p9_tcreate tcreate;
+ struct p9_rcreate rcreate;
+ struct p9_tread tread;
+ struct p9_rread rread;
+ struct p9_twrite twrite;
+ struct p9_rwrite rwrite;
+ struct p9_tclunk tclunk;
+ struct p9_rclunk rclunk;
+ struct p9_tremove tremove;
+ struct p9_rremove rremove;
+ struct p9_tstat tstat;
+ struct p9_rstat rstat;
+ struct p9_twstat twstat;
+ struct p9_rwstat rwstat;
+ } params;
+};
+
+struct p9_idpool;
+
+int p9_deserialize_stat(void *buf, u32 buflen, struct p9_stat *stat,
+ int dotu);
+int p9_deserialize_fcall(void *buf, u32 buflen, struct p9_fcall *fc, int dotu);
+void p9_set_tag(struct p9_fcall *fc, u16 tag);
+struct p9_fcall *p9_create_tversion(u32 msize, char *version);
+struct p9_fcall *p9_create_tattach(u32 fid, u32 afid, char *uname,
+ char *aname);
+struct p9_fcall *p9_create_tauth(u32 afid, char *uname, char *aname);
+struct p9_fcall *p9_create_tflush(u16 oldtag);
+struct p9_fcall *p9_create_twalk(u32 fid, u32 newfid, u16 nwname,
+ char **wnames);
+struct p9_fcall *p9_create_topen(u32 fid, u8 mode);
+struct p9_fcall *p9_create_tcreate(u32 fid, char *name, u32 perm, u8 mode,
+ char *extension, int dotu);
+struct p9_fcall *p9_create_tread(u32 fid, u64 offset, u32 count);
+struct p9_fcall *p9_create_twrite(u32 fid, u64 offset, u32 count,
+ const char *data);
+struct p9_fcall *p9_create_twrite_u(u32 fid, u64 offset, u32 count,
+ const char __user *data);
+struct p9_fcall *p9_create_tclunk(u32 fid);
+struct p9_fcall *p9_create_tremove(u32 fid);
+struct p9_fcall *p9_create_tstat(u32 fid);
+struct p9_fcall *p9_create_twstat(u32 fid, struct p9_wstat *wstat,
+ int dotu);
+
+int p9_printfcall(char *buf, int buflen, struct p9_fcall *fc, int dotu);
+int p9_errstr2errno(char *errstr, int len);
+
+struct p9_idpool *p9_idpool_create(void);
+void p9_idpool_destroy(struct p9_idpool *);
+int p9_idpool_get(struct p9_idpool *p);
+void p9_idpool_put(int id, struct p9_idpool *p);
+int p9_idpool_check(int id, struct p9_idpool *p);
+
+#endif /* NET_9P_H */
diff --git a/include/net/9p/conn.h b/include/net/9p/conn.h
new file mode 100644
index 0000000..6e47684
--- /dev/null
+++ b/include/net/9p/conn.h
@@ -0,0 +1,53 @@
+/*
+ * include/net/9p/conn.h
+ *
+ * Connection Definitions
+ *
+ * Copyright (C) 2005 by Latchesar Ionkov <lucho@xxxxxxxxxx>
+ * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@xxxxxxxxx>
+ *
+ * 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
+ *
+ */
+
+#ifndef NET_9P_CONN_H
+#define NET_9P_CONN_H
+
+struct p9_conn;
+struct p9_req;
+
+/**
+ * p9_mux_req_callback - callback function that is called when the
+ * response of a request is received. The callback is called from
+ * a workqueue and shouldn't block.
+ *
+ * @req - request
+ * @a - the pointer that was specified when the request was send to be
+ * passed to the callback
+ */
+typedef void (*p9_conn_req_callback)(struct p9_req *req, void *a);
+
+struct p9_conn *p9_conn_create(struct p9_transport *trans, int msize,
+ unsigned char *dotu);
+void p9_conn_destroy(struct p9_conn *);
+int p9_conn_rpc(struct p9_conn *m, struct p9_fcall *tc, struct p9_fcall **rc);
+#if 0
+int p9_conn_rpcnb(struct p9_conn *m, struct p9_fcall *tc,
+ p9_conn_req_callback cb, void *a);
+#endif
+void p9_conn_cancel(struct p9_conn *m, int err);
+
+#endif /* NET_9P_CONN_H */
diff --git a/include/net/9p/transport.h b/include/net/9p/transport.h
new file mode 100644
index 0000000..462d422
--- /dev/null
+++ b/include/net/9p/transport.h
@@ -0,0 +1,49 @@
+/*
+ * include/net/9p/transport.h
+ *
+ * Transport Definition
+ *
+ * Copyright (C) 2005 by Latchesar Ionkov <lucho@xxxxxxxxxx>
+ * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@xxxxxxxxx>
+ *
+ * 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
+ *
+ */
+
+#ifndef NET_9P_TRANSPORT_H
+#define NET_9P_TRANSPORT_H
+
+enum p9_transport_status {
+ Connected,
+ Disconnected,
+ Hung,
+};
+
+struct p9_transport {
+ enum p9_transport_status status;
+ void *priv;
+
+ int (*write) (struct p9_transport *, void *, int);
+ int (*read) (struct p9_transport *, void *, int);
+ void (*close) (struct p9_transport *);
+ unsigned int (*poll)(struct p9_transport *, struct poll_table_struct *);
+};
+
+struct p9_transport *p9_trans_create_tcp(const char *addr, int port);
+struct p9_transport *p9_trans_create_unix(const char *addr);
+struct p9_transport *p9_trans_create_fd(int rfd, int wfd);
+
+#endif /* NET_9P_TRANSPORT_H */
--
1.4.4.2
-
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