xref: /openbmc/linux/fs/afs/misc.c (revision 6aa7de05)
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 	/* Unified AFS error table; ET "uae" == 0x2f6df00 */
43 	case 0x2f6df00:		return -EPERM;
44 	case 0x2f6df01:		return -ENOENT;
45 	case 0x2f6df04:		return -EIO;
46 	case 0x2f6df0a:		return -EAGAIN;
47 	case 0x2f6df0b:		return -ENOMEM;
48 	case 0x2f6df0c:		return -EACCES;
49 	case 0x2f6df0f:		return -EBUSY;
50 	case 0x2f6df10:		return -EEXIST;
51 	case 0x2f6df11:		return -EXDEV;
52 	case 0x2f6df12:		return -ENODEV;
53 	case 0x2f6df13:		return -ENOTDIR;
54 	case 0x2f6df14:		return -EISDIR;
55 	case 0x2f6df15:		return -EINVAL;
56 	case 0x2f6df1a:		return -EFBIG;
57 	case 0x2f6df1b:		return -ENOSPC;
58 	case 0x2f6df1d:		return -EROFS;
59 	case 0x2f6df1e:		return -EMLINK;
60 	case 0x2f6df20:		return -EDOM;
61 	case 0x2f6df21:		return -ERANGE;
62 	case 0x2f6df22:		return -EDEADLK;
63 	case 0x2f6df23:		return -ENAMETOOLONG;
64 	case 0x2f6df24:		return -ENOLCK;
65 	case 0x2f6df26:		return -ENOTEMPTY;
66 	case 0x2f6df28:		return -EWOULDBLOCK;
67 	case 0x2f6df69:		return -ENOTCONN;
68 	case 0x2f6df6c:		return -ETIMEDOUT;
69 	case 0x2f6df78:		return -EDQUOT;
70 
71 	/* RXKAD abort codes; from include/rxrpc/packet.h.  ET "RXK" == 0x1260B00 */
72 	case RXKADINCONSISTENCY: return -EPROTO;
73 	case RXKADPACKETSHORT:	return -EPROTO;
74 	case RXKADLEVELFAIL:	return -EKEYREJECTED;
75 	case RXKADTICKETLEN:	return -EKEYREJECTED;
76 	case RXKADOUTOFSEQUENCE: return -EPROTO;
77 	case RXKADNOAUTH:	return -EKEYREJECTED;
78 	case RXKADBADKEY:	return -EKEYREJECTED;
79 	case RXKADBADTICKET:	return -EKEYREJECTED;
80 	case RXKADUNKNOWNKEY:	return -EKEYREJECTED;
81 	case RXKADEXPIRED:	return -EKEYEXPIRED;
82 	case RXKADSEALEDINCON:	return -EKEYREJECTED;
83 	case RXKADDATALEN:	return -EKEYREJECTED;
84 	case RXKADILLEGALLEVEL:	return -EKEYREJECTED;
85 
86 	case RXGEN_OPCODE:	return -ENOTSUPP;
87 
88 	default:		return -EREMOTEIO;
89 	}
90 }
91