xref: /linux/fs/afs/misc.c (revision 9a379e77033f02c4a071891afdf0f0a01eff8ccb)
1 /* miscellaneous bits
2  *
3  * Copyright (C) 2002, 2007 Red Hat, Inc. All Rights Reserved.
4  * Written by David Howells (dhowells@redhat.com)
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version
9  * 2 of the License, or (at your option) any later version.
10  */
11 
12 #include <linux/kernel.h>
13 #include <linux/module.h>
14 #include <linux/errno.h>
15 #include "internal.h"
16 #include "afs_fs.h"
17 
18 /*
19  * convert an AFS abort code to a Linux error number
20  */
21 int afs_abort_to_error(u32 abort_code)
22 {
23 	switch (abort_code) {
24 		/* Low errno codes inserted into abort namespace */
25 	case 13:		return -EACCES;
26 	case 27:		return -EFBIG;
27 	case 30:		return -EROFS;
28 
29 		/* VICE "special error" codes; 101 - 111 */
30 	case VSALVAGE:		return -EIO;
31 	case VNOVNODE:		return -ENOENT;
32 	case VNOVOL:		return -ENOMEDIUM;
33 	case VVOLEXISTS:	return -EEXIST;
34 	case VNOSERVICE:	return -EIO;
35 	case VOFFLINE:		return -ENOENT;
36 	case VONLINE:		return -EEXIST;
37 	case VDISKFULL:		return -ENOSPC;
38 	case VOVERQUOTA:	return -EDQUOT;
39 	case VBUSY:		return -EBUSY;
40 	case VMOVED:		return -ENXIO;
41 
42 		/* Volume Location server errors */
43 	case AFSVL_IDEXIST:		return -EEXIST;
44 	case AFSVL_IO:			return -EREMOTEIO;
45 	case AFSVL_NAMEEXIST:		return -EEXIST;
46 	case AFSVL_CREATEFAIL:		return -EREMOTEIO;
47 	case AFSVL_NOENT:		return -ENOMEDIUM;
48 	case AFSVL_EMPTY:		return -ENOMEDIUM;
49 	case AFSVL_ENTDELETED:		return -ENOMEDIUM;
50 	case AFSVL_BADNAME:		return -EINVAL;
51 	case AFSVL_BADINDEX:		return -EINVAL;
52 	case AFSVL_BADVOLTYPE:		return -EINVAL;
53 	case AFSVL_BADSERVER:		return -EINVAL;
54 	case AFSVL_BADPARTITION:	return -EINVAL;
55 	case AFSVL_REPSFULL:		return -EFBIG;
56 	case AFSVL_NOREPSERVER:		return -ENOENT;
57 	case AFSVL_DUPREPSERVER:	return -EEXIST;
58 	case AFSVL_RWNOTFOUND:		return -ENOENT;
59 	case AFSVL_BADREFCOUNT:		return -EINVAL;
60 	case AFSVL_SIZEEXCEEDED:	return -EINVAL;
61 	case AFSVL_BADENTRY:		return -EINVAL;
62 	case AFSVL_BADVOLIDBUMP:	return -EINVAL;
63 	case AFSVL_IDALREADYHASHED:	return -EINVAL;
64 	case AFSVL_ENTRYLOCKED:		return -EBUSY;
65 	case AFSVL_BADVOLOPER:		return -EBADRQC;
66 	case AFSVL_BADRELLOCKTYPE:	return -EINVAL;
67 	case AFSVL_RERELEASE:		return -EREMOTEIO;
68 	case AFSVL_BADSERVERFLAG:	return -EINVAL;
69 	case AFSVL_PERM:		return -EACCES;
70 	case AFSVL_NOMEM:		return -EREMOTEIO;
71 
72 		/* Unified AFS error table; ET "uae" == 0x2f6df00 */
73 	case 0x2f6df00:		return -EPERM;
74 	case 0x2f6df01:		return -ENOENT;
75 	case 0x2f6df04:		return -EIO;
76 	case 0x2f6df0a:		return -EAGAIN;
77 	case 0x2f6df0b:		return -ENOMEM;
78 	case 0x2f6df0c:		return -EACCES;
79 	case 0x2f6df0f:		return -EBUSY;
80 	case 0x2f6df10:		return -EEXIST;
81 	case 0x2f6df11:		return -EXDEV;
82 	case 0x2f6df12:		return -ENODEV;
83 	case 0x2f6df13:		return -ENOTDIR;
84 	case 0x2f6df14:		return -EISDIR;
85 	case 0x2f6df15:		return -EINVAL;
86 	case 0x2f6df1a:		return -EFBIG;
87 	case 0x2f6df1b:		return -ENOSPC;
88 	case 0x2f6df1d:		return -EROFS;
89 	case 0x2f6df1e:		return -EMLINK;
90 	case 0x2f6df20:		return -EDOM;
91 	case 0x2f6df21:		return -ERANGE;
92 	case 0x2f6df22:		return -EDEADLK;
93 	case 0x2f6df23:		return -ENAMETOOLONG;
94 	case 0x2f6df24:		return -ENOLCK;
95 	case 0x2f6df26:		return -ENOTEMPTY;
96 	case 0x2f6df28:		return -EWOULDBLOCK;
97 	case 0x2f6df69:		return -ENOTCONN;
98 	case 0x2f6df6c:		return -ETIMEDOUT;
99 	case 0x2f6df78:		return -EDQUOT;
100 
101 		/* RXKAD abort codes; from include/rxrpc/packet.h.  ET "RXK" == 0x1260B00 */
102 	case RXKADINCONSISTENCY: return -EPROTO;
103 	case RXKADPACKETSHORT:	return -EPROTO;
104 	case RXKADLEVELFAIL:	return -EKEYREJECTED;
105 	case RXKADTICKETLEN:	return -EKEYREJECTED;
106 	case RXKADOUTOFSEQUENCE: return -EPROTO;
107 	case RXKADNOAUTH:	return -EKEYREJECTED;
108 	case RXKADBADKEY:	return -EKEYREJECTED;
109 	case RXKADBADTICKET:	return -EKEYREJECTED;
110 	case RXKADUNKNOWNKEY:	return -EKEYREJECTED;
111 	case RXKADEXPIRED:	return -EKEYEXPIRED;
112 	case RXKADSEALEDINCON:	return -EKEYREJECTED;
113 	case RXKADDATALEN:	return -EKEYREJECTED;
114 	case RXKADILLEGALLEVEL:	return -EKEYREJECTED;
115 
116 	case RXGEN_OPCODE:	return -ENOTSUPP;
117 
118 	default:		return -EREMOTEIO;
119 	}
120 }
121