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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; /* an 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;
207int ncp_conn_logged_in(struct super_block *);
208int ncp_date_dos2unix(__le16 time, __le16 date);
209void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date);
210
211/* linux/fs/ncpfs/ioctl.c */
212int ncp_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
213long ncp_compat_ioctl(struct file *, unsigned int, unsigned long);
214
215/* linux/fs/ncpfs/sock.c */
216int ncp_request2(struct ncp_server *server, int function,
217 void* reply, int max_reply_size);
218static inline int ncp_request(struct ncp_server *server, int function) {
219 return ncp_request2(server, function, server->packet, server->packet_size);
220}
221int ncp_connect(struct ncp_server *server);
222int ncp_disconnect(struct ncp_server *server);
223void ncp_lock_server(struct ncp_server *server);
224void ncp_unlock_server(struct ncp_server *server);
225
226/* linux/fs/ncpfs/file.c */
227extern const struct inode_operations ncp_file_inode_operations;
228extern const struct file_operations ncp_file_operations;
229int ncp_make_open(struct inode *, int);
230
231/* linux/fs/ncpfs/mmap.c */
232int ncp_mmap(struct file *, struct vm_area_struct *);
233
234/* linux/fs/ncpfs/ncplib_kernel.c */
235int ncp_make_closed(struct inode *);
236
237#define ncp_namespace(i) (NCP_SERVER(i)->name_space[NCP_FINFO(i)->volNumber])
238
239static inline int ncp_preserve_entry_case(struct inode *i, __u32 nscreator)
240{
241#ifdef CONFIG_NCPFS_SMALLDOS
242 int ns = ncp_namespace(i);
243
244 if ((ns == NW_NS_DOS)
245#ifdef CONFIG_NCPFS_OS2_NS
246 || ((ns == NW_NS_OS2) && (nscreator == NW_NS_DOS))
247#endif /* CONFIG_NCPFS_OS2_NS */
248 )
249 return 0;
250#endif /* CONFIG_NCPFS_SMALLDOS */
251 return 1;
252}
253
254#define ncp_preserve_case(i) (ncp_namespace(i) != NW_NS_DOS)
255
256static inline int ncp_case_sensitive(struct inode *i)
257{
258#ifdef CONFIG_NCPFS_NFS_NS
259 return ncp_namespace(i) == NW_NS_NFS;
260#else
261 return 0;
262#endif /* CONFIG_NCPFS_NFS_NS */
263}
264
265#endif /* __KERNEL__ */
266
267#endif /* _LINUX_NCP_FS_H */