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
  15 #include <linux/ncp_fs_i.h>
  16 #include <linux/ncp_fs_sb.h>
  17 #include <linux/ipx.h>
  18 #include <linux/ncp_no.h>
  19
  20 /*
  21  * ioctl commands
  22  */
  23
  24 struct ncp_ioctl_request {
  25         unsigned int function;
  26         unsigned int size;
  27         char __user *data;
  28 };
  29
  30 struct ncp_fs_info {
  31         int version;
  32         struct sockaddr_ipx addr;
  33         __kernel_uid_t mounted_uid;
  34         int connection;         /* Connection number the server assigned us */
  35         int buffer_size;        /* The negotiated buffer size, to be
  36                                    used for read/write requests! */
  37
  38         int volume_number;
  39         __le32 directory_id;
  40 };
  41
  42 struct ncp_fs_info_v2 {
  43         int version;
  44         unsigned long mounted_uid;
  45         unsigned int connection;
  46         unsigned int buffer_size;
  47
  48         unsigned int volume_number;
  49         __le32 directory_id;
  50
  51         __u32 dummy1;
  52         __u32 dummy2;
  53         __u32 dummy3;
  54 };
  55
  56 struct ncp_sign_init
  57 {
  58         char sign_root[8];
  59         char sign_last[16];
  60 };
  61
  62 struct ncp_lock_ioctl
  63 {
  64 #define NCP_LOCK_LOG    0
  65 #define NCP_LOCK_SH     1
  66 #define NCP_LOCK_EX     2
  67 #define NCP_LOCK_CLEAR  256
  68         int             cmd;
  69         int             origin;
  70         unsigned int    offset;
  71         unsigned int    length;
  72 #define NCP_LOCK_DEFAULT_TIMEOUT        18
  73 #define NCP_LOCK_MAX_TIMEOUT            180
  74         int             timeout;
  75 };
  76
  77 struct ncp_setroot_ioctl
  78 {
  79         int             volNumber;
  80         int             namespace;
  81         __le32          dirEntNum;
  82 };
  83
  84 struct ncp_objectname_ioctl
  85 {
  86 #define NCP_AUTH_NONE   0x00
  87 #define NCP_AUTH_BIND   0x31
  88 #define NCP_AUTH_NDS    0x32
  89         int             auth_type;
  90         size_t          object_name_len;
  91         void __user *   object_name;    /* an userspace data, in most cases user name */
  92 };
  93
  94 struct ncp_privatedata_ioctl
  95 {
  96         size_t          len;
  97         void __user *   data;           /* ~1000 for NDS */
  98 };
  99
 100 /* NLS charsets by ioctl */
 101 #define NCP_IOCSNAME_LEN 20
 102 struct ncp_nls_ioctl
 103 {
 104         unsigned char codepage[NCP_IOCSNAME_LEN+1];
 105         unsigned char iocharset[NCP_IOCSNAME_LEN+1];
 106 };
 107
 108 #define NCP_IOC_NCPREQUEST              _IOR('n', 1, struct ncp_ioctl_request)
 109 #define NCP_IOC_GETMOUNTUID             _IOW('n', 2, __kernel_old_uid_t)
 110 #define NCP_IOC_GETMOUNTUID2            _IOW('n', 2, unsigned long)
 111
 112 #define NCP_IOC_CONN_LOGGED_IN          _IO('n', 3)
 113
 114 #define NCP_GET_FS_INFO_VERSION    (1)
 115 #define NCP_IOC_GET_FS_INFO             _IOWR('n', 4, struct ncp_fs_info)
 116 #define NCP_GET_FS_INFO_VERSION_V2 (2)
 117 #define NCP_IOC_GET_FS_INFO_V2          _IOWR('n', 4, struct ncp_fs_info_v2)
 118
 119 #define NCP_IOC_SIGN_INIT               _IOR('n', 5, struct ncp_sign_init)
 120 #define NCP_IOC_SIGN_WANTED             _IOR('n', 6, int)
 121 #define NCP_IOC_SET_SIGN_WANTED         _IOW('n', 6, int)
 122
 123 #define NCP_IOC_LOCKUNLOCK              _IOR('n', 7, struct ncp_lock_ioctl)
 124
 125 #define NCP_IOC_GETROOT                 _IOW('n', 8, struct ncp_setroot_ioctl)
 126 #define NCP_IOC_SETROOT                 _IOR('n', 8, struct ncp_setroot_ioctl)
 127
 128 #define NCP_IOC_GETOBJECTNAME           _IOWR('n', 9, struct ncp_objectname_ioctl)
 129 #define NCP_IOC_SETOBJECTNAME           _IOR('n', 9, struct ncp_objectname_ioctl)
 130 #define NCP_IOC_GETPRIVATEDATA          _IOWR('n', 10, struct ncp_privatedata_ioctl)
 131 #define NCP_IOC_SETPRIVATEDATA          _IOR('n', 10, struct ncp_privatedata_ioctl)
 132
 133 #define NCP_IOC_GETCHARSETS             _IOWR('n', 11, struct ncp_nls_ioctl)
 134 #define NCP_IOC_SETCHARSETS             _IOR('n', 11, struct ncp_nls_ioctl)
 135
 136 #define NCP_IOC_GETDENTRYTTL            _IOW('n', 12, __u32)
 137 #define NCP_IOC_SETDENTRYTTL            _IOR('n', 12, __u32)
 138
 139 /*
 140  * The packet size to allocate. One page should be enough.
 141  */
 142 #define NCP_PACKET_SIZE 4070
 143
 144 #define NCP_MAXPATHLEN 255
 145 #define NCP_MAXNAMELEN 14
 146
 147 #ifdef __KERNEL__
 148
 149 #include <linux/config.h>
 150
 151 /* undef because public define in umsdos_fs.h (ncp_fs.h isn't public) */
 152 #undef PRINTK
 153 /* define because it is easy to change PRINTK to {*}PRINTK */
 154 #define PRINTK(format, args...) printk(KERN_DEBUG format , ## args)
 155
 156 #undef NCPFS_PARANOIA
 157 #ifdef NCPFS_PARANOIA
 158 #define PPRINTK(format, args...) PRINTK(format , ## args)
 159 #else
 160 #define PPRINTK(format, args...)
 161 #endif
 162
 163 #ifndef DEBUG_NCP
 164 #define DEBUG_NCP 0
 165 #endif
 166 #if DEBUG_NCP > 0
 167 #define DPRINTK(format, args...) PRINTK(format , ## args)
 168 #else
 169 #define DPRINTK(format, args...)
 170 #endif
 171 #if DEBUG_NCP > 1
 172 #define DDPRINTK(format, args...) PRINTK(format , ## args)
 173 #else
 174 #define DDPRINTK(format, args...)
 175 #endif
 176
 177 #define NCP_MAX_RPC_TIMEOUT (6*HZ)
 178
 179
 180 struct ncp_entry_info {
 181         struct nw_info_struct   i;
 182         ino_t                   ino;
 183         int                     opened;
 184         int                     access;
 185         unsigned int            volume;
 186         __u8                    file_handle[6];
 187 };
 188
 189 /* Guess, what 0x564c is :-) */
 190 #define NCP_SUPER_MAGIC  0x564c
 191
 192
 193 static inline struct ncp_server *NCP_SBP(struct super_block *sb)
 194 {
 195         return sb->s_fs_info;
 196 }
 197
 198 #define NCP_SERVER(inode)       NCP_SBP((inode)->i_sb)
 199 static inline struct ncp_inode_info *NCP_FINFO(struct inode *inode)
 200 {
 201         return container_of(inode, struct ncp_inode_info, vfs_inode);
 202 }
 203
 204 #ifdef DEBUG_NCP_MALLOC
 205
 206 #include <linux/slab.h>
 207
 208 extern int ncp_malloced;
 209 extern int ncp_current_malloced;
 210
 211 static inline void *
 212  ncp_kmalloc(unsigned int size, int priority)
 213 {
 214         ncp_malloced += 1;
 215         ncp_current_malloced += 1;
 216         return kmalloc(size, priority);
 217 }
 218
 219 static inline void ncp_kfree_s(void *obj, int size)
 220 {
 221         ncp_current_malloced -= 1;
 222         kfree(obj);
 223 }
 224
 225 #else                           /* DEBUG_NCP_MALLOC */
 226
 227 #define ncp_kmalloc(s,p) kmalloc(s,p)
 228 #define ncp_kfree_s(o,s) kfree(o)
 229
 230 #endif                          /* DEBUG_NCP_MALLOC */
 231
 232 /* linux/fs/ncpfs/inode.c */
 233 int ncp_notify_change(struct dentry *, struct iattr *);
 234 struct inode *ncp_iget(struct super_block *, struct ncp_entry_info *);
 235 void ncp_update_inode(struct inode *, struct ncp_entry_info *);
 236 void ncp_update_inode2(struct inode *, struct ncp_entry_info *);
 237
 238 /* linux/fs/ncpfs/dir.c */
 239 extern struct inode_operations ncp_dir_inode_operations;
 240 extern struct file_operations ncp_dir_operations;
 241 int ncp_conn_logged_in(struct super_block *);
 242 int ncp_date_dos2unix(__le16 time, __le16 date);
 243 void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date);
 244
 245 /* linux/fs/ncpfs/ioctl.c */
 246 int ncp_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
 247
 248 /* linux/fs/ncpfs/sock.c */
 249 int ncp_request2(struct ncp_server *server, int function,
 250         void* reply, int max_reply_size);
 251 static inline int ncp_request(struct ncp_server *server, int function) {
 252         return ncp_request2(server, function, server->packet, server->packet_size);
 253 }
 254 int ncp_connect(struct ncp_server *server);
 255 int ncp_disconnect(struct ncp_server *server);
 256 void ncp_lock_server(struct ncp_server *server);
 257 void ncp_unlock_server(struct ncp_server *server);
 258
 259 /* linux/fs/ncpfs/file.c */
 260 extern struct inode_operations ncp_file_inode_operations;
 261 extern struct file_operations ncp_file_operations;
 262 int ncp_make_open(struct inode *, int);
 263
 264 /* linux/fs/ncpfs/mmap.c */
 265 int ncp_mmap(struct file *, struct vm_area_struct *);
 266
 267 /* linux/fs/ncpfs/ncplib_kernel.c */
 268 int ncp_make_closed(struct inode *);
 269
 270 #define ncp_namespace(i)        (NCP_SERVER(i)->name_space[NCP_FINFO(i)->volNumber])
 271
 272 static inline int ncp_preserve_entry_case(struct inode *i, __u32 nscreator)
 273 {
 274 #ifdef CONFIG_NCPFS_SMALLDOS
 275         int ns = ncp_namespace(i);
 276
 277         if ((ns == NW_NS_DOS)
 278 #ifdef CONFIG_NCPFS_OS2_NS
 279                 || ((ns == NW_NS_OS2) && (nscreator == NW_NS_DOS))
 280 #endif /* CONFIG_NCPFS_OS2_NS */
 281                                 )
 282                 return 0;
 283 #endif /* CONFIG_NCPFS_SMALLDOS */
 284         return 1;
 285 }
 286
 287 #define ncp_preserve_case(i)    (ncp_namespace(i) != NW_NS_DOS)
 288
 289 static inline int ncp_case_sensitive(struct inode *i)
 290 {
 291 #ifdef CONFIG_NCPFS_NFS_NS
 292         return ncp_namespace(i) == NW_NS_NFS;
 293 #else
 294         return 0;
 295 #endif  /* CONFIG_NCPFS_NFS_NS */
 296 }
 297
 298 #endif                          /* __KERNEL__ */
 299
 300 #endif                          /* _LINUX_NCP_FS_H */