/* * 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 /* * 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 #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 #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 */ /* NT1 protocol capability bits */ #define SMB_CAP_RAW_MODE 0x0001 #define SMB_CAP_MPX_MODE 0x0002 #define SMB_CAP_UNICODE 0x0004 #define SMB_CAP_LARGE_FILES 0x0008 #define SMB_CAP_NT_SMBS 0x0010 #define SMB_CAP_RPC_REMOTE_APIS 0x0020 #define SMB_CAP_STATUS32 0x0040 #define SMB_CAP_LEVEL_II_OPLOCKS 0x0080 #define SMB_CAP_LOCK_AND_READ 0x0100 #define SMB_CAP_NT_FIND 0x0200 #define SMB_CAP_DFS 0x1000 #define SMB_CAP_LARGE_READX 0x4000 /* 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 */