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/*

 *  ncp_fs.h

 *

 *  Copyright (C) 1995, 1996 by Volker Lendecke

 *

 */

#ifndef _LINUX_NCP_FS_H

#define _LINUX_NCP_FS_H

#include <linux/fs.h>

#include <linux/in.h>

#include <linux/types.h>

#include <linux/magic.h>

#include <linux/ipx.h>

#include <linux/ncp_no.h>

/*

 * ioctl commands

 */

struct ncp_ioctl_request {

        unsigned int function;

        unsigned int size;

        char __user *data;

};

struct ncp_fs_info {

        int version;

        struct sockaddr_ipx addr;

        __kernel_uid_t mounted_uid;

        int connection;         /* Connection number the server assigned us */

        int buffer_size;        /* The negotiated buffer size, to be

                                   used for read/write requests! */

        int volume_number;

        __le32 directory_id;

};

struct ncp_fs_info_v2 {

        int version;

        unsigned long mounted_uid;

        unsigned int connection;

        unsigned int buffer_size;

        unsigned int volume_number;

        __le32 directory_id;

        __u32 dummy1;

        __u32 dummy2;

        __u32 dummy3;

};

struct ncp_sign_init

{

        char sign_root[8];

        char sign_last[16];

};

struct ncp_lock_ioctl

{

#define NCP_LOCK_LOG    0

#define NCP_LOCK_SH     1

#define NCP_LOCK_EX     2

#define NCP_LOCK_CLEAR  256

        int             cmd;

        int             origin;

        unsigned int    offset;

        unsigned int    length;

#define NCP_LOCK_DEFAULT_TIMEOUT        18

#define NCP_LOCK_MAX_TIMEOUT            180

        int             timeout;

};

struct ncp_setroot_ioctl

{

        int             volNumber;

        int             namespace;

        __le32          dirEntNum;

};

struct ncp_objectname_ioctl

{

#define NCP_AUTH_NONE   0x00

#define NCP_AUTH_BIND   0x31

#define NCP_AUTH_NDS    0x32

        int             auth_type;

        size_t          object_name_len;

        void __user *   object_name;    /* an userspace data, in most cases user name */

};

struct ncp_privatedata_ioctl

{

        size_t          len;

        void __user *   data;           /* ~1000 for NDS */

};

/* NLS charsets by ioctl */

#define NCP_IOCSNAME_LEN 20

struct ncp_nls_ioctl

{

        unsigned char codepage[NCP_IOCSNAME_LEN+1];

        unsigned char iocharset[NCP_IOCSNAME_LEN+1];

};

#define NCP_IOC_NCPREQUEST              _IOR('n', 1, struct ncp_ioctl_request)

#define NCP_IOC_GETMOUNTUID             _IOW('n', 2, __kernel_old_uid_t)

#define NCP_IOC_GETMOUNTUID2            _IOW('n', 2, unsigned long)

#define NCP_IOC_CONN_LOGGED_IN          _IO('n', 3)

#define NCP_GET_FS_INFO_VERSION    (1)

#define NCP_IOC_GET_FS_INFO             _IOWR('n', 4, struct ncp_fs_info)

#define NCP_GET_FS_INFO_VERSION_V2 (2)

#define NCP_IOC_GET_FS_INFO_V2          _IOWR('n', 4, struct ncp_fs_info_v2)

#define NCP_IOC_SIGN_INIT               _IOR('n', 5, struct ncp_sign_init)

#define NCP_IOC_SIGN_WANTED             _IOR('n', 6, int)

#define NCP_IOC_SET_SIGN_WANTED         _IOW('n', 6, int)

#define NCP_IOC_LOCKUNLOCK              _IOR('n', 7, struct ncp_lock_ioctl)

#define NCP_IOC_GETROOT                 _IOW('n', 8, struct ncp_setroot_ioctl)

#define NCP_IOC_SETROOT                 _IOR('n', 8, struct ncp_setroot_ioctl)

#define NCP_IOC_GETOBJECTNAME           _IOWR('n', 9, struct ncp_objectname_ioctl)

#define NCP_IOC_SETOBJECTNAME           _IOR('n', 9, struct ncp_objectname_ioctl)

#define NCP_IOC_GETPRIVATEDATA          _IOWR('n', 10, struct ncp_privatedata_ioctl)

#define NCP_IOC_SETPRIVATEDATA          _IOR('n', 10, struct ncp_privatedata_ioctl)

#define NCP_IOC_GETCHARSETS             _IOWR('n', 11, struct ncp_nls_ioctl)

#define NCP_IOC_SETCHARSETS             _IOR('n', 11, struct ncp_nls_ioctl)

#define NCP_IOC_GETDENTRYTTL            _IOW('n', 12, __u32)

#define NCP_IOC_SETDENTRYTTL            _IOR('n', 12, __u32)

/*

 * The packet size to allocate. One page should be enough.

 */

#define NCP_PACKET_SIZE 4070

#define NCP_MAXPATHLEN 255

#define NCP_MAXNAMELEN 14

#ifdef __KERNEL__

#include <linux/ncp_fs_i.h>

#include <linux/ncp_fs_sb.h>

/* define because it is easy to change PRINTK to {*}PRINTK */

#define PRINTK(format, args...) printk(KERN_DEBUG format , ## args)

#undef NCPFS_PARANOIA

#ifdef NCPFS_PARANOIA

#define PPRINTK(format, args...) PRINTK(format , ## args)

#else

#define PPRINTK(format, args...)

#endif

#ifndef DEBUG_NCP

#define DEBUG_NCP 0

#endif

#if DEBUG_NCP > 0

#define DPRINTK(format, args...) PRINTK(format , ## args)

#else

#define DPRINTK(format, args...)

#endif

#if DEBUG_NCP > 1

#define DDPRINTK(format, args...) PRINTK(format , ## args)

#else

#define DDPRINTK(format, args...)

#endif

#define NCP_MAX_RPC_TIMEOUT (6*HZ)

struct ncp_entry_info {

        struct nw_info_struct   i;

        ino_t                   ino;

        int                     opened;

        int                     access;

        unsigned int            volume;

        __u8                    file_handle[6];

};

static inline struct ncp_server *NCP_SBP(struct super_block *sb)

{

        return sb->s_fs_info;

}

#define NCP_SERVER(inode)       NCP_SBP((inode)->i_sb)

static inline struct ncp_inode_info *NCP_FINFO(struct inode *inode)

{

        return container_of(inode, struct ncp_inode_info, vfs_inode);

}

/* linux/fs/ncpfs/inode.c */

int ncp_notify_change(struct dentry *, struct iattr *);

struct inode *ncp_iget(struct super_block *, struct ncp_entry_info *);

void ncp_update_inode(struct inode *, struct ncp_entry_info *);

void ncp_update_inode2(struct inode *, struct ncp_entry_info *);

/* linux/fs/ncpfs/dir.c */

extern const struct inode_operations ncp_dir_inode_operations;

extern const struct file_operations ncp_dir_operations;

int ncp_conn_logged_in(struct super_block *);

int ncp_date_dos2unix(__le16 time, __le16 date);

void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date);

/* linux/fs/ncpfs/ioctl.c */

int ncp_ioctl(struct inode *, struct file *, unsigned int, unsigned long);

long ncp_compat_ioctl(struct file *, unsigned int, unsigned long);

/* linux/fs/ncpfs/sock.c */

int ncp_request2(struct ncp_server *server, int function,

        void* reply, int max_reply_size);

static inline int ncp_request(struct ncp_server *server, int function) {

        return ncp_request2(server, function, server->packet, server->packet_size);

}

int ncp_connect(struct ncp_server *server);

int ncp_disconnect(struct ncp_server *server);

void ncp_lock_server(struct ncp_server *server);

void ncp_unlock_server(struct ncp_server *server);

/* linux/fs/ncpfs/file.c */

extern const struct inode_operations ncp_file_inode_operations;

extern const struct file_operations ncp_file_operations;

int ncp_make_open(struct inode *, int);

/* linux/fs/ncpfs/mmap.c */

int ncp_mmap(struct file *, struct vm_area_struct *);

/* linux/fs/ncpfs/ncplib_kernel.c */

int ncp_make_closed(struct inode *);

#define ncp_namespace(i)        (NCP_SERVER(i)->name_space[NCP_FINFO(i)->volNumber])

static inline int ncp_preserve_entry_case(struct inode *i, __u32 nscreator)

{

#ifdef CONFIG_NCPFS_SMALLDOS

        int ns = ncp_namespace(i);

        if ((ns == NW_NS_DOS)

#ifdef CONFIG_NCPFS_OS2_NS

                || ((ns == NW_NS_OS2) && (nscreator == NW_NS_DOS))

#endif /* CONFIG_NCPFS_OS2_NS */

                                )

                return 0;

#endif /* CONFIG_NCPFS_SMALLDOS */

        return 1;

}

#define ncp_preserve_case(i)    (ncp_namespace(i) != NW_NS_DOS)

static inline int ncp_case_sensitive(struct inode *i)

{

#ifdef CONFIG_NCPFS_NFS_NS

        return ncp_namespace(i) == NW_NS_NFS;

#else

        return 0;

#endif  /* CONFIG_NCPFS_NFS_NS */

}

#endif                          /* __KERNEL__ */

#endif                          /* _LINUX_NCP_FS_H */