ncp_fs.h
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上传日期:2009-04-28
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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/ncp_fs_i.h>
- #include <linux/ncp_fs_sb.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/config.h>
- /* undef because public define in umsdos_fs.h (ncp_fs.h isn't public) */
- #undef PRINTK
- /* 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];
- };
- /* Guess, what 0x564c is :-) */
- #define NCP_SUPER_MAGIC 0x564c
- 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);
- }
- #ifdef DEBUG_NCP_MALLOC
- #include <linux/slab.h>
- extern int ncp_malloced;
- extern int ncp_current_malloced;
- static inline void *
- ncp_kmalloc(unsigned int size, int priority)
- {
- ncp_malloced += 1;
- ncp_current_malloced += 1;
- return kmalloc(size, priority);
- }
- static inline void ncp_kfree_s(void *obj, int size)
- {
- ncp_current_malloced -= 1;
- kfree(obj);
- }
- #else /* DEBUG_NCP_MALLOC */
- #define ncp_kmalloc(s,p) kmalloc(s,p)
- #define ncp_kfree_s(o,s) kfree(o)
- #endif /* DEBUG_NCP_MALLOC */
- /* 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 struct inode_operations ncp_dir_inode_operations;
- extern 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);
- /* 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 struct inode_operations ncp_file_inode_operations;
- extern 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 */