Commit | Line | Data |
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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
ec26815a | 2 | /* miscellaneous bits |
1da177e4 | 3 | * |
08e0e7c8 | 4 | * Copyright (C) 2002, 2007 Red Hat, Inc. All Rights Reserved. |
1da177e4 | 5 | * Written by David Howells (dhowells@redhat.com) |
1da177e4 LT |
6 | */ |
7 | ||
8 | #include <linux/kernel.h> | |
9 | #include <linux/module.h> | |
10 | #include <linux/errno.h> | |
1da177e4 | 11 | #include "internal.h" |
08e0e7c8 | 12 | #include "afs_fs.h" |
1eda8bab | 13 | #include "protocol_uae.h" |
1da177e4 | 14 | |
1da177e4 LT |
15 | /* |
16 | * convert an AFS abort code to a Linux error number | |
17 | */ | |
08e0e7c8 | 18 | int afs_abort_to_error(u32 abort_code) |
1da177e4 | 19 | { |
08e0e7c8 | 20 | switch (abort_code) { |
f780c8ea | 21 | /* Low errno codes inserted into abort namespace */ |
08e0e7c8 | 22 | case 13: return -EACCES; |
416351f2 | 23 | case 27: return -EFBIG; |
260a9803 | 24 | case 30: return -EROFS; |
53d5864b | 25 | |
f780c8ea | 26 | /* VICE "special error" codes; 101 - 111 */ |
1da177e4 LT |
27 | case VSALVAGE: return -EIO; |
28 | case VNOVNODE: return -ENOENT; | |
08e0e7c8 | 29 | case VNOVOL: return -ENOMEDIUM; |
1da177e4 LT |
30 | case VVOLEXISTS: return -EEXIST; |
31 | case VNOSERVICE: return -EIO; | |
32 | case VOFFLINE: return -ENOENT; | |
33 | case VONLINE: return -EEXIST; | |
34 | case VDISKFULL: return -ENOSPC; | |
35 | case VOVERQUOTA: return -EDQUOT; | |
36 | case VBUSY: return -EBUSY; | |
37 | case VMOVED: return -ENXIO; | |
53d5864b | 38 | |
f780c8ea DH |
39 | /* Volume Location server errors */ |
40 | case AFSVL_IDEXIST: return -EEXIST; | |
41 | case AFSVL_IO: return -EREMOTEIO; | |
42 | case AFSVL_NAMEEXIST: return -EEXIST; | |
43 | case AFSVL_CREATEFAIL: return -EREMOTEIO; | |
44 | case AFSVL_NOENT: return -ENOMEDIUM; | |
45 | case AFSVL_EMPTY: return -ENOMEDIUM; | |
46 | case AFSVL_ENTDELETED: return -ENOMEDIUM; | |
47 | case AFSVL_BADNAME: return -EINVAL; | |
48 | case AFSVL_BADINDEX: return -EINVAL; | |
49 | case AFSVL_BADVOLTYPE: return -EINVAL; | |
50 | case AFSVL_BADSERVER: return -EINVAL; | |
51 | case AFSVL_BADPARTITION: return -EINVAL; | |
52 | case AFSVL_REPSFULL: return -EFBIG; | |
53 | case AFSVL_NOREPSERVER: return -ENOENT; | |
54 | case AFSVL_DUPREPSERVER: return -EEXIST; | |
55 | case AFSVL_RWNOTFOUND: return -ENOENT; | |
56 | case AFSVL_BADREFCOUNT: return -EINVAL; | |
57 | case AFSVL_SIZEEXCEEDED: return -EINVAL; | |
58 | case AFSVL_BADENTRY: return -EINVAL; | |
59 | case AFSVL_BADVOLIDBUMP: return -EINVAL; | |
60 | case AFSVL_IDALREADYHASHED: return -EINVAL; | |
61 | case AFSVL_ENTRYLOCKED: return -EBUSY; | |
62 | case AFSVL_BADVOLOPER: return -EBADRQC; | |
63 | case AFSVL_BADRELLOCKTYPE: return -EINVAL; | |
64 | case AFSVL_RERELEASE: return -EREMOTEIO; | |
65 | case AFSVL_BADSERVERFLAG: return -EINVAL; | |
66 | case AFSVL_PERM: return -EACCES; | |
67 | case AFSVL_NOMEM: return -EREMOTEIO; | |
68 | ||
1eda8bab DH |
69 | /* Unified AFS error table */ |
70 | case UAEPERM: return -EPERM; | |
71 | case UAENOENT: return -ENOENT; | |
72 | case UAEACCES: return -EACCES; | |
73 | case UAEBUSY: return -EBUSY; | |
74 | case UAEEXIST: return -EEXIST; | |
75 | case UAENOTDIR: return -ENOTDIR; | |
76 | case UAEISDIR: return -EISDIR; | |
77 | case UAEFBIG: return -EFBIG; | |
78 | case UAENOSPC: return -ENOSPC; | |
79 | case UAEROFS: return -EROFS; | |
80 | case UAEMLINK: return -EMLINK; | |
81 | case UAEDEADLK: return -EDEADLK; | |
82 | case UAENAMETOOLONG: return -ENAMETOOLONG; | |
83 | case UAENOLCK: return -ENOLCK; | |
84 | case UAENOTEMPTY: return -ENOTEMPTY; | |
85 | case UAELOOP: return -ELOOP; | |
86 | case UAENOMEDIUM: return -ENOMEDIUM; | |
87 | case UAEDQUOT: return -EDQUOT; | |
005411c3 | 88 | |
f780c8ea | 89 | /* RXKAD abort codes; from include/rxrpc/packet.h. ET "RXK" == 0x1260B00 */ |
005411c3 DH |
90 | case RXKADINCONSISTENCY: return -EPROTO; |
91 | case RXKADPACKETSHORT: return -EPROTO; | |
92 | case RXKADLEVELFAIL: return -EKEYREJECTED; | |
93 | case RXKADTICKETLEN: return -EKEYREJECTED; | |
94 | case RXKADOUTOFSEQUENCE: return -EPROTO; | |
95 | case RXKADNOAUTH: return -EKEYREJECTED; | |
96 | case RXKADBADKEY: return -EKEYREJECTED; | |
97 | case RXKADBADTICKET: return -EKEYREJECTED; | |
98 | case RXKADUNKNOWNKEY: return -EKEYREJECTED; | |
99 | case RXKADEXPIRED: return -EKEYEXPIRED; | |
100 | case RXKADSEALEDINCON: return -EKEYREJECTED; | |
101 | case RXKADDATALEN: return -EKEYREJECTED; | |
102 | case RXKADILLEGALLEVEL: return -EKEYREJECTED; | |
103 | ||
1157f153 DH |
104 | case RXGEN_OPCODE: return -ENOTSUPP; |
105 | ||
260a9803 | 106 | default: return -EREMOTEIO; |
1da177e4 | 107 | } |
ec26815a | 108 | } |
4584ae96 DH |
109 | |
110 | /* | |
111 | * Select the error to report from a set of errors. | |
112 | */ | |
113 | void afs_prioritise_error(struct afs_error *e, int error, u32 abort_code) | |
114 | { | |
115 | switch (error) { | |
116 | case 0: | |
117 | return; | |
118 | default: | |
119 | if (e->error == -ETIMEDOUT || | |
120 | e->error == -ETIME) | |
121 | return; | |
e690c9e3 | 122 | /* Fall through */ |
4584ae96 DH |
123 | case -ETIMEDOUT: |
124 | case -ETIME: | |
125 | if (e->error == -ENOMEM || | |
126 | e->error == -ENONET) | |
127 | return; | |
e690c9e3 | 128 | /* Fall through */ |
4584ae96 DH |
129 | case -ENOMEM: |
130 | case -ENONET: | |
131 | if (e->error == -ERFKILL) | |
132 | return; | |
e690c9e3 | 133 | /* Fall through */ |
4584ae96 DH |
134 | case -ERFKILL: |
135 | if (e->error == -EADDRNOTAVAIL) | |
136 | return; | |
e690c9e3 | 137 | /* Fall through */ |
4584ae96 DH |
138 | case -EADDRNOTAVAIL: |
139 | if (e->error == -ENETUNREACH) | |
140 | return; | |
e690c9e3 | 141 | /* Fall through */ |
4584ae96 DH |
142 | case -ENETUNREACH: |
143 | if (e->error == -EHOSTUNREACH) | |
144 | return; | |
e690c9e3 | 145 | /* Fall through */ |
4584ae96 DH |
146 | case -EHOSTUNREACH: |
147 | if (e->error == -EHOSTDOWN) | |
148 | return; | |
e690c9e3 | 149 | /* Fall through */ |
4584ae96 DH |
150 | case -EHOSTDOWN: |
151 | if (e->error == -ECONNREFUSED) | |
152 | return; | |
e690c9e3 | 153 | /* Fall through */ |
4584ae96 DH |
154 | case -ECONNREFUSED: |
155 | if (e->error == -ECONNRESET) | |
156 | return; | |
e690c9e3 | 157 | /* Fall through */ |
4584ae96 DH |
158 | case -ECONNRESET: /* Responded, but call expired. */ |
159 | if (e->responded) | |
160 | return; | |
161 | e->error = error; | |
162 | return; | |
163 | ||
164 | case -ECONNABORTED: | |
165 | e->responded = true; | |
166 | e->error = afs_abort_to_error(abort_code); | |
167 | return; | |
168 | } | |
169 | } |