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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; | |
4ec89596 | 86 | case UAEOVERFLOW: return -EOVERFLOW; |
1eda8bab DH |
87 | case UAENOMEDIUM: return -ENOMEDIUM; |
88 | case UAEDQUOT: return -EDQUOT; | |
005411c3 | 89 | |
f780c8ea | 90 | /* RXKAD abort codes; from include/rxrpc/packet.h. ET "RXK" == 0x1260B00 */ |
005411c3 DH |
91 | case RXKADINCONSISTENCY: return -EPROTO; |
92 | case RXKADPACKETSHORT: return -EPROTO; | |
93 | case RXKADLEVELFAIL: return -EKEYREJECTED; | |
94 | case RXKADTICKETLEN: return -EKEYREJECTED; | |
95 | case RXKADOUTOFSEQUENCE: return -EPROTO; | |
96 | case RXKADNOAUTH: return -EKEYREJECTED; | |
97 | case RXKADBADKEY: return -EKEYREJECTED; | |
98 | case RXKADBADTICKET: return -EKEYREJECTED; | |
99 | case RXKADUNKNOWNKEY: return -EKEYREJECTED; | |
100 | case RXKADEXPIRED: return -EKEYEXPIRED; | |
101 | case RXKADSEALEDINCON: return -EKEYREJECTED; | |
102 | case RXKADDATALEN: return -EKEYREJECTED; | |
103 | case RXKADILLEGALLEVEL: return -EKEYREJECTED; | |
104 | ||
1157f153 DH |
105 | case RXGEN_OPCODE: return -ENOTSUPP; |
106 | ||
260a9803 | 107 | default: return -EREMOTEIO; |
1da177e4 | 108 | } |
ec26815a | 109 | } |
4584ae96 DH |
110 | |
111 | /* | |
112 | * Select the error to report from a set of errors. | |
113 | */ | |
114 | void afs_prioritise_error(struct afs_error *e, int error, u32 abort_code) | |
115 | { | |
116 | switch (error) { | |
117 | case 0: | |
118 | return; | |
119 | default: | |
120 | if (e->error == -ETIMEDOUT || | |
121 | e->error == -ETIME) | |
122 | return; | |
df561f66 | 123 | fallthrough; |
4584ae96 DH |
124 | case -ETIMEDOUT: |
125 | case -ETIME: | |
126 | if (e->error == -ENOMEM || | |
127 | e->error == -ENONET) | |
128 | return; | |
df561f66 | 129 | fallthrough; |
4584ae96 DH |
130 | case -ENOMEM: |
131 | case -ENONET: | |
132 | if (e->error == -ERFKILL) | |
133 | return; | |
df561f66 | 134 | fallthrough; |
4584ae96 DH |
135 | case -ERFKILL: |
136 | if (e->error == -EADDRNOTAVAIL) | |
137 | return; | |
df561f66 | 138 | fallthrough; |
4584ae96 DH |
139 | case -EADDRNOTAVAIL: |
140 | if (e->error == -ENETUNREACH) | |
141 | return; | |
df561f66 | 142 | fallthrough; |
4584ae96 DH |
143 | case -ENETUNREACH: |
144 | if (e->error == -EHOSTUNREACH) | |
145 | return; | |
df561f66 | 146 | fallthrough; |
4584ae96 DH |
147 | case -EHOSTUNREACH: |
148 | if (e->error == -EHOSTDOWN) | |
149 | return; | |
df561f66 | 150 | fallthrough; |
4584ae96 DH |
151 | case -EHOSTDOWN: |
152 | if (e->error == -ECONNREFUSED) | |
153 | return; | |
df561f66 | 154 | fallthrough; |
4584ae96 DH |
155 | case -ECONNREFUSED: |
156 | if (e->error == -ECONNRESET) | |
157 | return; | |
df561f66 | 158 | fallthrough; |
4584ae96 DH |
159 | case -ECONNRESET: /* Responded, but call expired. */ |
160 | if (e->responded) | |
161 | return; | |
162 | e->error = error; | |
163 | return; | |
164 | ||
165 | case -ECONNABORTED: | |
166 | e->responded = true; | |
167 | e->error = afs_abort_to_error(abort_code); | |
168 | return; | |
169 | } | |
170 | } |