LXR linux/include/linux/ncp

   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 */
 213int ncp_ioctl(struct inode *, 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 */
 275