1 /* SPDX-License-Identifier: GPL-2.0 */ <<
2 /* 1 /*
3 * File: linux/nfsacl.h 2 * File: linux/nfsacl.h
4 * 3 *
5 * (C) 2003 Andreas Gruenbacher <agruen@suse.d 4 * (C) 2003 Andreas Gruenbacher <agruen@suse.de>
6 */ 5 */
7 #ifndef __LINUX_NFSACL_H 6 #ifndef __LINUX_NFSACL_H
8 #define __LINUX_NFSACL_H 7 #define __LINUX_NFSACL_H
9 8
>> 9 #define NFS_ACL_PROGRAM 100227
>> 10
>> 11 #define ACLPROC2_GETACL 1
>> 12 #define ACLPROC2_SETACL 2
>> 13 #define ACLPROC2_GETATTR 3
>> 14 #define ACLPROC2_ACCESS 4
>> 15
>> 16 #define ACLPROC3_GETACL 1
>> 17 #define ACLPROC3_SETACL 2
>> 18
>> 19
>> 20 /* Flags for the getacl/setacl mode */
>> 21 #define NFS_ACL 0x0001
>> 22 #define NFS_ACLCNT 0x0002
>> 23 #define NFS_DFACL 0x0004
>> 24 #define NFS_DFACLCNT 0x0008
>> 25
>> 26 /* Flag for Default ACL entries */
>> 27 #define NFS_ACL_DEFAULT 0x1000
>> 28
>> 29 #ifdef __KERNEL__
10 30
11 #include <linux/posix_acl.h> 31 #include <linux/posix_acl.h>
12 #include <linux/sunrpc/xdr.h> <<
13 #include <uapi/linux/nfsacl.h> <<
14 32
15 /* Maximum number of ACL entries over NFS */ 33 /* Maximum number of ACL entries over NFS */
16 #define NFS_ACL_MAX_ENTRIES 1024 34 #define NFS_ACL_MAX_ENTRIES 1024
17 35
18 #define NFSACL_MAXWORDS (2*(2+3*NFS_AC 36 #define NFSACL_MAXWORDS (2*(2+3*NFS_ACL_MAX_ENTRIES))
19 #define NFSACL_MAXPAGES ((2*(8+12*NFS_ 37 #define NFSACL_MAXPAGES ((2*(8+12*NFS_ACL_MAX_ENTRIES) + PAGE_SIZE-1) \
20 >> PAGE_SHIFT 38 >> PAGE_SHIFT)
21 39
22 #define NFS_ACL_MAX_ENTRIES_INLINE (5) 40 #define NFS_ACL_MAX_ENTRIES_INLINE (5)
23 #define NFS_ACL_INLINE_BUFSIZE ((2*(2+3*NFS_A 41 #define NFS_ACL_INLINE_BUFSIZE ((2*(2+3*NFS_ACL_MAX_ENTRIES_INLINE)) << 2)
24 42
25 static inline unsigned int 43 static inline unsigned int
26 nfsacl_size(struct posix_acl *acl_access, stru 44 nfsacl_size(struct posix_acl *acl_access, struct posix_acl *acl_default)
27 { 45 {
28 unsigned int w = 16; 46 unsigned int w = 16;
29 w += max(acl_access ? (int)acl_access- 47 w += max(acl_access ? (int)acl_access->a_count : 3, 4) * 12;
30 if (acl_default) 48 if (acl_default)
31 w += max((int)acl_default->a_c 49 w += max((int)acl_default->a_count, 4) * 12;
32 return w; 50 return w;
33 } 51 }
34 52
35 extern int !! 53 extern unsigned int
36 nfsacl_encode(struct xdr_buf *buf, unsigned in 54 nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode,
37 struct posix_acl *acl, int encod 55 struct posix_acl *acl, int encode_entries, int typeflag);
38 extern int !! 56 extern unsigned int
39 nfsacl_decode(struct xdr_buf *buf, unsigned in 57 nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt,
40 struct posix_acl **pacl); 58 struct posix_acl **pacl);
41 extern bool <<
42 nfs_stream_decode_acl(struct xdr_stream *xdr, <<
43 struct posix_acl **pacl) <<
44 extern bool <<
45 nfs_stream_encode_acl(struct xdr_stream *xdr, <<
46 struct posix_acl *acl, i <<
47 59
>> 60 #endif /* __KERNEL__ */
48 #endif /* __LINUX_NFSACL_H */ 61 #endif /* __LINUX_NFSACL_H */
49 62
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