// 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:
|
e->responded = true;
|
e->error = afs_abort_to_error(abort_code);
|
return;
|
}
|
}
|
