xref: /openbmc/linux/fs/afs/misc.c (revision f3539c12)
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 <rxrpc/packet.h>
16 #include "internal.h"
17 #include "afs_fs.h"
18 
19 /*
20  * convert an AFS abort code to a Linux error number
21  */
22 int afs_abort_to_error(u32 abort_code)
23 {
24 	switch (abort_code) {
25 	/* low errno codes inserted into abort namespace */
26 	case 13:		return -EACCES;
27 	case 27:		return -EFBIG;
28 	case 30:		return -EROFS;
29 
30 	/* VICE "special error" codes; 101 - 111 */
31 	case VSALVAGE:		return -EIO;
32 	case VNOVNODE:		return -ENOENT;
33 	case VNOVOL:		return -ENOMEDIUM;
34 	case VVOLEXISTS:	return -EEXIST;
35 	case VNOSERVICE:	return -EIO;
36 	case VOFFLINE:		return -ENOENT;
37 	case VONLINE:		return -EEXIST;
38 	case VDISKFULL:		return -ENOSPC;
39 	case VOVERQUOTA:	return -EDQUOT;
40 	case VBUSY:		return -EBUSY;
41 	case VMOVED:		return -ENXIO;
42 
43 	/* Unified AFS error table; ET "uae" == 0x2f6df00 */
44 	case 0x2f6df00:		return -EPERM;
45 	case 0x2f6df01:		return -ENOENT;
46 	case 0x2f6df04:		return -EIO;
47 	case 0x2f6df0a:		return -EAGAIN;
48 	case 0x2f6df0b:		return -ENOMEM;
49 	case 0x2f6df0c:		return -EACCES;
50 	case 0x2f6df0f:		return -EBUSY;
51 	case 0x2f6df10:		return -EEXIST;
52 	case 0x2f6df11:		return -EXDEV;
53 	case 0x2f6df12:		return -ENODEV;
54 	case 0x2f6df13:		return -ENOTDIR;
55 	case 0x2f6df14:		return -EISDIR;
56 	case 0x2f6df15:		return -EINVAL;
57 	case 0x2f6df1a:		return -EFBIG;
58 	case 0x2f6df1b:		return -ENOSPC;
59 	case 0x2f6df1d:		return -EROFS;
60 	case 0x2f6df1e:		return -EMLINK;
61 	case 0x2f6df20:		return -EDOM;
62 	case 0x2f6df21:		return -ERANGE;
63 	case 0x2f6df22:		return -EDEADLK;
64 	case 0x2f6df23:		return -ENAMETOOLONG;
65 	case 0x2f6df24:		return -ENOLCK;
66 	case 0x2f6df26:		return -ENOTEMPTY;
67 	case 0x2f6df28:		return -EWOULDBLOCK;
68 	case 0x2f6df69:		return -ENOTCONN;
69 	case 0x2f6df6c:		return -ETIMEDOUT;
70 	case 0x2f6df78:		return -EDQUOT;
71 
72 	/* RXKAD abort codes; from include/rxrpc/packet.h.  ET "RXK" == 0x1260B00 */
73 	case RXKADINCONSISTENCY: return -EPROTO;
74 	case RXKADPACKETSHORT:	return -EPROTO;
75 	case RXKADLEVELFAIL:	return -EKEYREJECTED;
76 	case RXKADTICKETLEN:	return -EKEYREJECTED;
77 	case RXKADOUTOFSEQUENCE: return -EPROTO;
78 	case RXKADNOAUTH:	return -EKEYREJECTED;
79 	case RXKADBADKEY:	return -EKEYREJECTED;
80 	case RXKADBADTICKET:	return -EKEYREJECTED;
81 	case RXKADUNKNOWNKEY:	return -EKEYREJECTED;
82 	case RXKADEXPIRED:	return -EKEYEXPIRED;
83 	case RXKADSEALEDINCON:	return -EKEYREJECTED;
84 	case RXKADDATALEN:	return -EKEYREJECTED;
85 	case RXKADILLEGALLEVEL:	return -EKEYREJECTED;
86 
87 	default:		return -EREMOTEIO;
88 	}
89 }
90