xref: /openbmc/linux/fs/nfsd/vfs.h (revision 9d56dd3b083a3bec56e9da35ce07baca81030b03)
1 /*
2  * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
3  */
4 
5 #ifndef LINUX_NFSD_VFS_H
6 #define LINUX_NFSD_VFS_H
7 
8 #include "nfsfh.h"
9 
10 /*
11  * Flags for nfsd_permission
12  */
13 #define NFSD_MAY_NOP		0
14 #define NFSD_MAY_EXEC		1 /* == MAY_EXEC */
15 #define NFSD_MAY_WRITE		2 /* == MAY_WRITE */
16 #define NFSD_MAY_READ		4 /* == MAY_READ */
17 #define NFSD_MAY_SATTR		8
18 #define NFSD_MAY_TRUNC		16
19 #define NFSD_MAY_LOCK		32
20 #define NFSD_MAY_OWNER_OVERRIDE	64
21 #define NFSD_MAY_LOCAL_ACCESS	128 /* IRIX doing local access check on device special file*/
22 #define NFSD_MAY_BYPASS_GSS_ON_ROOT 256
23 
24 #define NFSD_MAY_CREATE		(NFSD_MAY_EXEC|NFSD_MAY_WRITE)
25 #define NFSD_MAY_REMOVE		(NFSD_MAY_EXEC|NFSD_MAY_WRITE|NFSD_MAY_TRUNC)
26 
27 /*
28  * Callback function for readdir
29  */
30 typedef int (*nfsd_dirop_t)(struct inode *, struct dentry *, int, int);
31 
32 /* nfsd/vfs.c */
33 int		fh_lock_parent(struct svc_fh *, struct dentry *);
34 int		nfsd_racache_init(int);
35 void		nfsd_racache_shutdown(void);
36 int		nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp,
37 		                struct svc_export **expp);
38 __be32		nfsd_lookup(struct svc_rqst *, struct svc_fh *,
39 				const char *, unsigned int, struct svc_fh *);
40 __be32		 nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
41 				const char *, unsigned int,
42 				struct svc_export **, struct dentry **);
43 __be32		nfsd_setattr(struct svc_rqst *, struct svc_fh *,
44 				struct iattr *, int, time_t);
45 int nfsd_mountpoint(struct dentry *, struct svc_export *);
46 #ifdef CONFIG_NFSD_V4
47 __be32          nfsd4_set_nfs4_acl(struct svc_rqst *, struct svc_fh *,
48                     struct nfs4_acl *);
49 int             nfsd4_get_nfs4_acl(struct svc_rqst *, struct dentry *, struct nfs4_acl **);
50 #endif /* CONFIG_NFSD_V4 */
51 __be32		nfsd_create(struct svc_rqst *, struct svc_fh *,
52 				char *name, int len, struct iattr *attrs,
53 				int type, dev_t rdev, struct svc_fh *res);
54 #ifdef CONFIG_NFSD_V3
55 __be32		nfsd_access(struct svc_rqst *, struct svc_fh *, u32 *, u32 *);
56 __be32		nfsd_create_v3(struct svc_rqst *, struct svc_fh *,
57 				char *name, int len, struct iattr *attrs,
58 				struct svc_fh *res, int createmode,
59 				u32 *verifier, int *truncp, int *created);
60 __be32		nfsd_commit(struct svc_rqst *, struct svc_fh *,
61 				loff_t, unsigned long);
62 #endif /* CONFIG_NFSD_V3 */
63 __be32		nfsd_open(struct svc_rqst *, struct svc_fh *, int,
64 				int, struct file **);
65 void		nfsd_close(struct file *);
66 __be32 		nfsd_read(struct svc_rqst *, struct svc_fh *, struct file *,
67 				loff_t, struct kvec *, int, unsigned long *);
68 __be32 		nfsd_write(struct svc_rqst *, struct svc_fh *,struct file *,
69 				loff_t, struct kvec *,int, unsigned long *, int *);
70 __be32		nfsd_readlink(struct svc_rqst *, struct svc_fh *,
71 				char *, int *);
72 __be32		nfsd_symlink(struct svc_rqst *, struct svc_fh *,
73 				char *name, int len, char *path, int plen,
74 				struct svc_fh *res, struct iattr *);
75 __be32		nfsd_link(struct svc_rqst *, struct svc_fh *,
76 				char *, int, struct svc_fh *);
77 __be32		nfsd_rename(struct svc_rqst *,
78 				struct svc_fh *, char *, int,
79 				struct svc_fh *, char *, int);
80 __be32		nfsd_remove(struct svc_rqst *,
81 				struct svc_fh *, char *, int);
82 __be32		nfsd_unlink(struct svc_rqst *, struct svc_fh *, int type,
83 				char *name, int len);
84 int		nfsd_truncate(struct svc_rqst *, struct svc_fh *,
85 				unsigned long size);
86 __be32		nfsd_readdir(struct svc_rqst *, struct svc_fh *,
87 			     loff_t *, struct readdir_cd *, filldir_t);
88 __be32		nfsd_statfs(struct svc_rqst *, struct svc_fh *,
89 				struct kstatfs *, int access);
90 
91 int		nfsd_notify_change(struct inode *, struct iattr *);
92 __be32		nfsd_permission(struct svc_rqst *, struct svc_export *,
93 				struct dentry *, int);
94 int		nfsd_sync_dir(struct dentry *dp);
95 
96 #if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
97 struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int);
98 int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *);
99 #endif
100 
101 #endif /* LINUX_NFSD_VFS_H */
102