/include/linux/ncp_fs.h

  1/*
  2 *  ncp_fs.h
  3 *
  4 *  Copyright (C) 1995, 1996 by Volker Lendecke
  5 *
  6 */
  7
  8#ifndef _LINUX_NCP_FS_H
  9#define _LINUX_NCP_FS_H
 10
 11#include <linux/fs.h>
 12#include <linux/in.h>
 13#include <linux/types.h>
 14#include <linux/magic.h>
 15
 16#include <linux/ipx.h>
 17#include <linux/ncp_no.h>
 18
 19/*
 20 * ioctl commands
 21 */
 22
 23struct ncp_ioctl_request {
 24	unsigned int function;
 25	unsigned int size;
 26	char __user *data;
 27};
 28
 29struct ncp_fs_info {
 30	int version;
 31	struct sockaddr_ipx addr;
 32	__kernel_uid_t mounted_uid;
 33	int connection;		/* Connection number the server assigned us */
 34	int buffer_size;	/* The negotiated buffer size, to be
 35				   used for read/write requests! */
 36
 37	int volume_number;
 38	__le32 directory_id;
 39};
 40
 41struct ncp_fs_info_v2 {
 42	int version;
 43	unsigned long mounted_uid;
 44	unsigned int connection;
 45	unsigned int buffer_size;
 46
 47	unsigned int volume_number;
 48	__le32 directory_id;
 49
 50	__u32 dummy1;
 51	__u32 dummy2;
 52	__u32 dummy3;
 53};
 54
 55struct ncp_sign_init
 56{
 57	char sign_root[8];
 58	char sign_last[16];
 59};
 60
 61struct ncp_lock_ioctl
 62{
 63#define NCP_LOCK_LOG	0
 64#define NCP_LOCK_SH	1
 65#define NCP_LOCK_EX	2
 66#define NCP_LOCK_CLEAR	256
 67	int		cmd;
 68	int		origin;
 69	unsigned int	offset;
 70	unsigned int	length;
 71#define NCP_LOCK_DEFAULT_TIMEOUT	18
 72#define NCP_LOCK_MAX_TIMEOUT		180
 73	int		timeout;
 74};
 75
 76struct ncp_setroot_ioctl
 77{
 78	int		volNumber;
 79	int		namespace;
 80	__le32		dirEntNum;
 81};
 82
 83struct ncp_objectname_ioctl
 84{
 85#define NCP_AUTH_NONE	0x00
 86#define NCP_AUTH_BIND	0x31
 87#define NCP_AUTH_NDS	0x32
 88	int		auth_type;
 89	size_t		object_name_len;
 90	void __user *	object_name;	/* a userspace data, in most cases user name */
 91};
 92
 93struct ncp_privatedata_ioctl
 94{
 95	size_t		len;
 96	void __user *	data;		/* ~1000 for NDS */
 97};
 98
 99/* NLS charsets by ioctl */
100#define NCP_IOCSNAME_LEN 20
101struct ncp_nls_ioctl
102{
103	unsigned char codepage[NCP_IOCSNAME_LEN+1];
104	unsigned char iocharset[NCP_IOCSNAME_LEN+1];
105};
106
107#define	NCP_IOC_NCPREQUEST		_IOR('n', 1, struct ncp_ioctl_request)
108#define	NCP_IOC_GETMOUNTUID		_IOW('n', 2, __kernel_old_uid_t)
109#define NCP_IOC_GETMOUNTUID2		_IOW('n', 2, unsigned long)
110
111#define NCP_IOC_CONN_LOGGED_IN          _IO('n', 3)
112
113#define NCP_GET_FS_INFO_VERSION    (1)
114#define NCP_IOC_GET_FS_INFO             _IOWR('n', 4, struct ncp_fs_info)
115#define NCP_GET_FS_INFO_VERSION_V2 (2)
116#define NCP_IOC_GET_FS_INFO_V2		_IOWR('n', 4, struct ncp_fs_info_v2)
117
118#define NCP_IOC_SIGN_INIT		_IOR('n', 5, struct ncp_sign_init)
119#define NCP_IOC_SIGN_WANTED		_IOR('n', 6, int)
120#define NCP_IOC_SET_SIGN_WANTED		_IOW('n', 6, int)
121
122#define NCP_IOC_LOCKUNLOCK		_IOR('n', 7, struct ncp_lock_ioctl)
123
124#define NCP_IOC_GETROOT			_IOW('n', 8, struct ncp_setroot_ioctl)
125#define NCP_IOC_SETROOT			_IOR('n', 8, struct ncp_setroot_ioctl)
126
127#define NCP_IOC_GETOBJECTNAME		_IOWR('n', 9, struct ncp_objectname_ioctl)
128#define NCP_IOC_SETOBJECTNAME		_IOR('n', 9, struct ncp_objectname_ioctl)
129#define NCP_IOC_GETPRIVATEDATA		_IOWR('n', 10, struct ncp_privatedata_ioctl)
130#define NCP_IOC_SETPRIVATEDATA		_IOR('n', 10, struct ncp_privatedata_ioctl)
131
132#define NCP_IOC_GETCHARSETS		_IOWR('n', 11, struct ncp_nls_ioctl)
133#define NCP_IOC_SETCHARSETS		_IOR('n', 11, struct ncp_nls_ioctl)
134
135#define NCP_IOC_GETDENTRYTTL		_IOW('n', 12, __u32)
136#define NCP_IOC_SETDENTRYTTL		_IOR('n', 12, __u32)
137
138/*
139 * The packet size to allocate. One page should be enough.
140 */
141#define NCP_PACKET_SIZE 4070
142
143#define NCP_MAXPATHLEN 255
144#define NCP_MAXNAMELEN 14
145
146#ifdef __KERNEL__
147
148#include <linux/ncp_fs_i.h>
149#include <linux/ncp_fs_sb.h>
150
151/* define because it is easy to change PRINTK to {*}PRINTK */
152#define PRINTK(format, args...) printk(KERN_DEBUG format , ## args)
153
154#undef NCPFS_PARANOIA
155#ifdef NCPFS_PARANOIA
156#define PPRINTK(format, args...) PRINTK(format , ## args)
157#else
158#define PPRINTK(format, args...)
159#endif
160
161#ifndef DEBUG_NCP
162#define DEBUG_NCP 0
163#endif
164#if DEBUG_NCP > 0
165#define DPRINTK(format, args...) PRINTK(format , ## args)
166#else
167#define DPRINTK(format, args...)
168#endif
169#if DEBUG_NCP > 1
170#define DDPRINTK(format, args...) PRINTK(format , ## args)
171#else
172#define DDPRINTK(format, args...)
173#endif
174
175#define NCP_MAX_RPC_TIMEOUT (6*HZ)
176
177
178struct ncp_entry_info {
179	struct nw_info_struct	i;
180	ino_t			ino;
181	int			opened;
182	int			access;
183	unsigned int		volume;
184	__u8			file_handle[6];
185};
186
187static inline struct ncp_server *NCP_SBP(struct super_block *sb)
188{
189	return sb->s_fs_info;
190}
191
192#define NCP_SERVER(inode)	NCP_SBP((inode)->i_sb)
193static inline struct ncp_inode_info *NCP_FINFO(struct inode *inode)
194{
195	return container_of(inode, struct ncp_inode_info, vfs_inode);
196}
197
198/* linux/fs/ncpfs/inode.c */
199int ncp_notify_change(struct dentry *, struct iattr *);
200struct inode *ncp_iget(struct super_block *, struct ncp_entry_info *);
201void ncp_update_inode(struct inode *, struct ncp_entry_info *);
202void ncp_update_inode2(struct inode *, struct ncp_entry_info *);
203
204/* linux/fs/ncpfs/dir.c */
205extern const struct inode_operations ncp_dir_inode_operations;
206extern const struct file_operations ncp_dir_operations;
207extern const struct dentry_operations ncp_root_dentry_operations;
208int ncp_conn_logged_in(struct super_block *);
209int ncp_date_dos2unix(__le16 time, __le16 date);
210void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date);
211
212/* linux/fs/ncpfs/ioctl.c */
213long ncp_ioctl(struct file *, unsigned int, unsigned long);
214long ncp_compat_ioctl(struct file *, unsigned int, unsigned long);
215
216/* linux/fs/ncpfs/sock.c */
217int ncp_request2(struct ncp_server *server, int function,
218	void* reply, int max_reply_size);
219static inline int ncp_request(struct ncp_server *server, int function) {
220	return ncp_request2(server, function, server->packet, server->packet_size);
221}
222int ncp_connect(struct ncp_server *server);
223int ncp_disconnect(struct ncp_server *server);
224void ncp_lock_server(struct ncp_server *server);
225void ncp_unlock_server(struct ncp_server *server);
226
227/* linux/fs/ncpfs/symlink.c */
228#if defined(CONFIG_NCPFS_EXTRAS) || defined(CONFIG_NCPFS_NFS_NS)
229extern const struct address_space_operations ncp_symlink_aops;
230int ncp_symlink(struct inode*, struct dentry*, const char*);
231#endif
232
233/* linux/fs/ncpfs/file.c */
234extern const struct inode_operations ncp_file_inode_operations;
235extern const struct file_operations ncp_file_operations;
236int ncp_make_open(struct inode *, int);
237
238/* linux/fs/ncpfs/mmap.c */
239int ncp_mmap(struct file *, struct vm_area_struct *);
240
241/* linux/fs/ncpfs/ncplib_kernel.c */
242int ncp_make_closed(struct inode *);
243
244#define ncp_namespace(i)	(NCP_SERVER(i)->name_space[NCP_FINFO(i)->volNumber])
245
246static inline int ncp_preserve_entry_case(struct inode *i, __u32 nscreator)
247{
248#ifdef CONFIG_NCPFS_SMALLDOS
249	int ns = ncp_namespace(i);
250
251	if ((ns == NW_NS_DOS)
252#ifdef CONFIG_NCPFS_OS2_NS
253		|| ((ns == NW_NS_OS2) && (nscreator == NW_NS_DOS))
254#endif /* CONFIG_NCPFS_OS2_NS */
255				)
256		return 0;
257#endif /* CONFIG_NCPFS_SMALLDOS */
258	return 1;
259}
260
261#define ncp_preserve_case(i)	(ncp_namespace(i) != NW_NS_DOS)
262
263static inline int ncp_case_sensitive(struct inode *i)
264{
265#ifdef CONFIG_NCPFS_NFS_NS
266	return ncp_namespace(i) == NW_NS_NFS;
267#else
268	return 0;
269#endif	/* CONFIG_NCPFS_NFS_NS */
270} 
271
272#endif				/* __KERNEL__ */
273
274#endif				/* _LINUX_NCP_FS_H */