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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 | // SPDX-License-Identifier: GPL-2.0-or-later /* miscellaneous bits * * Copyright (C) 2002, 2007 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/errno.h> #include "internal.h" #include "afs_fs.h" #include "protocol_uae.h" /* * convert an AFS abort code to a Linux error number */ int afs_abort_to_error(u32 abort_code) { switch (abort_code) { /* Low errno codes inserted into abort namespace */ case 13: return -EACCES; case 27: return -EFBIG; case 30: return -EROFS; /* VICE "special error" codes; 101 - 111 */ case VSALVAGE: return -EIO; case VNOVNODE: return -ENOENT; case VNOVOL: return -ENOMEDIUM; case VVOLEXISTS: return -EEXIST; case VNOSERVICE: return -EIO; case VOFFLINE: return -ENOENT; case VONLINE: return -EEXIST; case VDISKFULL: return -ENOSPC; case VOVERQUOTA: return -EDQUOT; case VBUSY: return -EBUSY; case VMOVED: return -ENXIO; /* Volume Location server errors */ case AFSVL_IDEXIST: return -EEXIST; case AFSVL_IO: return -EREMOTEIO; case AFSVL_NAMEEXIST: return -EEXIST; case AFSVL_CREATEFAIL: return -EREMOTEIO; case AFSVL_NOENT: return -ENOMEDIUM; case AFSVL_EMPTY: return -ENOMEDIUM; case AFSVL_ENTDELETED: return -ENOMEDIUM; case AFSVL_BADNAME: return -EINVAL; case AFSVL_BADINDEX: return -EINVAL; case AFSVL_BADVOLTYPE: return -EINVAL; case AFSVL_BADSERVER: return -EINVAL; case AFSVL_BADPARTITION: return -EINVAL; case AFSVL_REPSFULL: return -EFBIG; case AFSVL_NOREPSERVER: return -ENOENT; case AFSVL_DUPREPSERVER: return -EEXIST; case AFSVL_RWNOTFOUND: return -ENOENT; case AFSVL_BADREFCOUNT: return -EINVAL; case AFSVL_SIZEEXCEEDED: return -EINVAL; case AFSVL_BADENTRY: return -EINVAL; case AFSVL_BADVOLIDBUMP: return -EINVAL; case AFSVL_IDALREADYHASHED: return -EINVAL; case AFSVL_ENTRYLOCKED: return -EBUSY; case AFSVL_BADVOLOPER: return -EBADRQC; case AFSVL_BADRELLOCKTYPE: return -EINVAL; case AFSVL_RERELEASE: return -EREMOTEIO; case AFSVL_BADSERVERFLAG: return -EINVAL; case AFSVL_PERM: return -EACCES; case AFSVL_NOMEM: return -EREMOTEIO; /* Unified AFS error table */ case UAEPERM: return -EPERM; case UAENOENT: return -ENOENT; case UAEAGAIN: return -EAGAIN; case UAEACCES: return -EACCES; case UAEBUSY: return -EBUSY; case UAEEXIST: return -EEXIST; case UAENOTDIR: return -ENOTDIR; case UAEISDIR: return -EISDIR; case UAEFBIG: return -EFBIG; case UAENOSPC: return -ENOSPC; case UAEROFS: return -EROFS; case UAEMLINK: return -EMLINK; case UAEDEADLK: return -EDEADLK; case UAENAMETOOLONG: return -ENAMETOOLONG; case UAENOLCK: return -ENOLCK; case UAENOTEMPTY: return -ENOTEMPTY; case UAELOOP: return -ELOOP; case UAEOVERFLOW: return -EOVERFLOW; case UAENOMEDIUM: return -ENOMEDIUM; case UAEDQUOT: return -EDQUOT; /* RXKAD abort codes; from include/rxrpc/packet.h. ET "RXK" == 0x1260B00 */ case RXKADINCONSISTENCY: return -EPROTO; case RXKADPACKETSHORT: return -EPROTO; case RXKADLEVELFAIL: return -EKEYREJECTED; case RXKADTICKETLEN: return -EKEYREJECTED; case RXKADOUTOFSEQUENCE: return -EPROTO; case RXKADNOAUTH: return -EKEYREJECTED; case RXKADBADKEY: return -EKEYREJECTED; case RXKADBADTICKET: return -EKEYREJECTED; case RXKADUNKNOWNKEY: return -EKEYREJECTED; case RXKADEXPIRED: return -EKEYEXPIRED; case RXKADSEALEDINCON: return -EKEYREJECTED; case RXKADDATALEN: return -EKEYREJECTED; case RXKADILLEGALLEVEL: return -EKEYREJECTED; case RXGEN_OPCODE: return -ENOTSUPP; default: return -EREMOTEIO; } } /* * Select the error to report from a set of errors. */ void afs_prioritise_error(struct afs_error *e, int error, u32 abort_code) { switch (error) { case 0: return; default: if (e->error == -ETIMEDOUT || e->error == -ETIME) return; fallthrough; case -ETIMEDOUT: case -ETIME: if (e->error == -ENOMEM || e->error == -ENONET) return; fallthrough; case -ENOMEM: case -ENONET: if (e->error == -ERFKILL) return; fallthrough; case -ERFKILL: if (e->error == -EADDRNOTAVAIL) return; fallthrough; case -EADDRNOTAVAIL: if (e->error == -ENETUNREACH) return; fallthrough; case -ENETUNREACH: if (e->error == -EHOSTUNREACH) return; fallthrough; case -EHOSTUNREACH: if (e->error == -EHOSTDOWN) return; fallthrough; case -EHOSTDOWN: if (e->error == -ECONNREFUSED) return; fallthrough; case -ECONNREFUSED: if (e->error == -ECONNRESET) return; fallthrough; case -ECONNRESET: /* Responded, but call expired. */ if (e->responded) return; e->error = error; return; case -ECONNABORTED: error = afs_abort_to_error(abort_code); fallthrough; case -ENETRESET: /* Responded, but we seem to have changed address */ e->responded = true; e->error = error; return; } } |