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- /*
- * smb_fs.h
- *
- * Copyright (C) 1995 by Paal-Kr. Engstad and Volker Lendecke
- * Copyright (C) 1997 by Volker Lendecke
- *
- */
-
- #ifndef _LINUX_SMB_FS_H
- #define _LINUX_SMB_FS_H
-
- #include <linux/smb.h>
-
- /*
- * ioctl commands
- */
- #define SMB_IOC_GETMOUNTUID _IOR('u', 1, __kernel_uid_t)
- #define SMB_IOC_NEWCONN _IOW('u', 2, struct smb_conn_opt)
-
- #ifdef __KERNEL__
-
- #include <asm/unaligned.h>
-
- #define WVAL(buf,pos) \
- (le16_to_cpu(get_unaligned((__u16 *)((__u8 *)(buf) + (pos)))))
- #define DVAL(buf,pos) \
- (le32_to_cpu(get_unaligned((__u32 *)((__u8 *)(buf) + (pos)))))
- #define WSET(buf,pos,val) \
- put_unaligned(cpu_to_le16((__u16)(val)), (__u16 *)((__u8 *)(buf) + (pos)))
- #define DSET(buf,pos,val) \
- put_unaligned(cpu_to_le32((__u32)(val)), (__u32 *)((__u8 *)(buf) + (pos)))
-
- /* where to find the base of the SMB packet proper */
- #define smb_base(buf) ((__u8 *)(((__u8 *)(buf))+4))
-
- #include <linux/vmalloc.h>
-
- #ifdef DEBUG_SMB_MALLOC
-
- extern int smb_malloced;
- extern int smb_current_vmalloced;
-
- static inline void *
- smb_vmalloc(unsigned int size)
- {
- smb_malloced += 1;
- smb_current_vmalloced += 1;
- return vmalloc(size);
- }
-
- static inline void
- smb_vfree(void *obj)
- {
- smb_current_vmalloced -= 1;
- vfree(obj);
- }
-
- #else /* DEBUG_SMB_MALLOC */
-
- #define smb_kmalloc(s,p) kmalloc(s,p)
- #define smb_kfree_s(o,s) kfree_s(o,s)
- #define smb_vmalloc(s) vmalloc(s)
- #define smb_vfree(o) vfree(o)
-
- #endif /* DEBUG_SMB_MALLOC */
-
- /*
- * Flags for the in-memory inode
- */
- #define SMB_F_CACHEVALID 0x01 /* directory cache valid */
- #define SMB_F_LOCALWRITE 0x02 /* file modified locally */
-
- /*
- * Bug fix flags
- */
- #define SMB_FIX_WIN95 0x0001 /* Win 95 server */
- #define SMB_FIX_OLDATTR 0x0002 /* Use core getattr (Win 95 speedup) */
- #define SMB_FIX_DIRATTR 0x0004 /* Use find_first for getattr */
-
- /* linux/fs/smbfs/mmap.c */
- int smb_mmap(struct file *, struct vm_area_struct *);
-
- /* linux/fs/smbfs/file.c */
- extern struct inode_operations smb_file_inode_operations;
-
- /* linux/fs/smbfs/dir.c */
- extern struct inode_operations smb_dir_inode_operations;
- void smb_renew_times(struct dentry *);
-
- /* linux/fs/smbfs/ioctl.c */
- int smb_ioctl (struct inode *, struct file *, unsigned int, unsigned long);
-
- /* linux/fs/smbfs/inode.c */
- struct super_block *smb_read_super(struct super_block *, void *, int);
- void smb_get_inode_attr(struct inode *, struct smb_fattr *);
- void smb_invalidate_inodes(struct smb_sb_info *);
- int smb_revalidate_inode(struct dentry *);
- int smb_notify_change(struct dentry *, struct iattr *);
- unsigned long smb_invent_inos(unsigned long);
- struct inode *smb_iget(struct super_block *, struct smb_fattr *);
- extern int init_smb_fs(void);
-
- /* linux/fs/smbfs/proc.c */
- __u32 smb_len(unsigned char *);
- __u8 *smb_encode_smb_length(__u8 *, __u32);
- __u8 *smb_setup_header(struct smb_sb_info *, __u8, __u16, __u16);
- int smb_get_rsize(struct smb_sb_info *);
- int smb_get_wsize(struct smb_sb_info *);
- int smb_newconn(struct smb_sb_info *, struct smb_conn_opt *);
- int smb_errno(struct smb_sb_info *);
- int smb_close(struct inode *);
- void smb_close_dentry(struct dentry *);
- int smb_close_fileid(struct dentry *, __u16);
- int smb_open(struct dentry *, int);
- int smb_proc_read(struct dentry *, off_t, int, char *);
- int smb_proc_write(struct dentry *, off_t, int, const char *);
- int smb_proc_create(struct dentry *, __u16, time_t, __u16 *);
- int smb_proc_mv(struct dentry *, struct dentry *);
- int smb_proc_mkdir(struct dentry *);
- int smb_proc_rmdir(struct dentry *);
- int smb_proc_unlink(struct dentry *);
- int smb_proc_readdir(struct dentry *, int, void *);
- int smb_proc_getattr(struct dentry *, struct smb_fattr *);
- int smb_proc_setattr(struct dentry *, struct smb_fattr *);
- int smb_proc_settime(struct dentry *, struct smb_fattr *);
- int smb_proc_dskattr(struct super_block *, struct statfs *);
- int smb_proc_reconnect(struct smb_sb_info *);
- int smb_proc_connect(struct smb_sb_info *);
- int smb_proc_disconnect(struct smb_sb_info *);
- int smb_proc_trunc(struct smb_sb_info *, __u16, __u32);
- void smb_init_root_dirent(struct smb_sb_info *, struct smb_fattr *);
-
- static inline int
- smb_is_open(struct inode *i)
- {
- return (i->u.smbfs_i.open == SMB_SERVER(i)->generation);
- }
-
- /* linux/fs/smbfs/sock.c */
- int smb_round_length(int);
- int smb_valid_socket(struct inode *);
- void smb_close_socket(struct smb_sb_info *);
- int smb_release(struct smb_sb_info *server);
- int smb_connect(struct smb_sb_info *server);
- int smb_request(struct smb_sb_info *server);
- int smb_request_read_raw(struct smb_sb_info *, unsigned char *, int);
- int smb_request_write_raw(struct smb_sb_info *, unsigned const char *, int);
- int smb_catch_keepalive(struct smb_sb_info *server);
- int smb_dont_catch_keepalive(struct smb_sb_info *server);
- int smb_trans2_request(struct smb_sb_info *server, __u16 trans2_command,
- int ldata, unsigned char *data,
- int lparam, unsigned char *param,
- int *lrdata, unsigned char **rdata,
- int *lrparam, unsigned char **rparam);
-
- /* fs/smbfs/cache.c */
-
- /*
- * The cache index describes the pages mapped starting
- * at offset PAGE_SIZE. We keep only a minimal amount
- * of information here.
- */
- struct cache_index {
- unsigned short num_entries;
- unsigned short space;
- struct cache_block * block;
- };
-
- #define NINDEX (PAGE_SIZE-64)/sizeof(struct cache_index)
- /*
- * The cache head is mapped as the page at offset 0.
- */
- struct cache_head {
- int valid;
- int status; /* error code or 0 */
- int entries; /* total entries */
- int pages; /* number of data pages */
- int idx; /* index of current data page */
- struct cache_index index[NINDEX];
- };
-
- /*
- * An array of cache_entry structures holds information
- * for each object in the cache_block.
- */
- struct cache_entry {
- ino_t ino;
- unsigned short namelen;
- unsigned short offset;
- };
-
- /*
- * The cache blocks hold the actual data. The entry table grows up
- * while the names grow down, and we have space until they meet.
- */
- struct cache_block {
- union {
- struct cache_entry table[1];
- char names[PAGE_SIZE];
- } cb_data;
- };
-
- /*
- * To return an entry, we can pass a reference to the
- * name instead of having to copy it.
- */
- struct cache_dirent {
- ino_t ino;
- unsigned long pos;
- int len;
- char * name;
- };
-
- struct cache_head * smb_get_dircache(struct dentry *);
- void smb_init_dircache(struct cache_head *);
- void smb_free_dircache(struct cache_head *);
- int smb_refill_dircache(struct cache_head *, struct dentry *);
- void smb_add_to_cache(struct cache_head *, struct cache_dirent *, off_t);
- int smb_find_in_cache(struct cache_head *, off_t, struct cache_dirent *);
- void smb_invalid_dir_cache(struct inode *);
-
- #endif /* __KERNEL__ */
-
- #endif /* _LINUX_SMB_FS_H */
-