afs: Add support for the UAE error table

Add support for mapping AFS UAE abort codes to Linux errno values.

Signed-off-by: David Howells <dhowells@redhat.com>

fs/afs/misc.c

@@ -14,6 +14,7 @@
 #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
@@ -69,34 +70,25 @@ int afs_abort_to_error(u32 abort_code)
 	case AFSVL_PERM:		return -EACCES;
 	case AFSVL_NOMEM:		return -EREMOTEIO;
 
-		/* Unified AFS error table; ET "uae" == 0x2f6df00 */
+		/* Unified AFS error table */
-	case 0x2f6df00:		return -EPERM;
+	case UAEPERM:			return -EPERM;
-	case 0x2f6df01:		return -ENOENT;
+	case UAENOENT:			return -ENOENT;
-	case 0x2f6df04:		return -EIO;
+	case UAEACCES:			return -EACCES;
-	case 0x2f6df0a:		return -EAGAIN;
+	case UAEBUSY:			return -EBUSY;
-	case 0x2f6df0b:		return -ENOMEM;
+	case UAEEXIST:			return -EEXIST;
-	case 0x2f6df0c:		return -EACCES;
+	case UAENOTDIR:			return -ENOTDIR;
-	case 0x2f6df0f:		return -EBUSY;
+	case UAEISDIR:			return -EISDIR;
-	case 0x2f6df10:		return -EEXIST;
+	case UAEFBIG:			return -EFBIG;
-	case 0x2f6df11:		return -EXDEV;
+	case UAENOSPC:			return -ENOSPC;
-	case 0x2f6df12:		return -ENODEV;
+	case UAEROFS:			return -EROFS;
-	case 0x2f6df13:		return -ENOTDIR;
+	case UAEMLINK:			return -EMLINK;
-	case 0x2f6df14:		return -EISDIR;
+	case UAEDEADLK:			return -EDEADLK;
-	case 0x2f6df15:		return -EINVAL;
+	case UAENAMETOOLONG:		return -ENAMETOOLONG;
-	case 0x2f6df1a:		return -EFBIG;
+	case UAENOLCK:			return -ENOLCK;
-	case 0x2f6df1b:		return -ENOSPC;
+	case UAENOTEMPTY:		return -ENOTEMPTY;
-	case 0x2f6df1d:		return -EROFS;
+	case UAELOOP:			return -ELOOP;
-	case 0x2f6df1e:		return -EMLINK;
+	case UAENOMEDIUM:		return -ENOMEDIUM;
-	case 0x2f6df20:		return -EDOM;
+	case UAEDQUOT:			return -EDQUOT;
-	case 0x2f6df21:		return -ERANGE;
-	case 0x2f6df22:		return -EDEADLK;
-	case 0x2f6df23:		return -ENAMETOOLONG;
-	case 0x2f6df24:		return -ENOLCK;
-	case 0x2f6df26:		return -ENOTEMPTY;
-	case 0x2f6df28:		return -EWOULDBLOCK;
-	case 0x2f6df69:		return -ENOTCONN;
-	case 0x2f6df6c:		return -ETIMEDOUT;
-	case 0x2f6df78:		return -EDQUOT;
 
 		/* RXKAD abort codes; from include/rxrpc/packet.h.  ET "RXK" == 0x1260B00 */
 	case RXKADINCONSISTENCY: return -EPROTO;

fs/afs/protocol_uae.h

@@ -0,0 +1,132 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Universal AFS Error codes (UAE).
+ *
+ * Copyright (C) 2003, Daria Phoebe Brashear
+ * Copyright (C) 2018 Red Hat, Inc. All Rights Reserved.
+ */
+
+enum {
+	UAEPERM			= 0x2f6df00, /* Operation not permitted */
+	UAENOENT		= 0x2f6df01, /* No such file or directory */
+	UAESRCH			= 0x2f6df02, /* No such process */
+	UAEINTR			= 0x2f6df03, /* Interrupted system call */
+	UAEIO			= 0x2f6df04, /* I/O error */
+	UAENXIO			= 0x2f6df05, /* No such device or address */
+	UAE2BIG			= 0x2f6df06, /* Arg list too long */
+	UAENOEXEC		= 0x2f6df07, /* Exec format error */
+	UAEBADF			= 0x2f6df08, /* Bad file number */
+	UAECHILD		= 0x2f6df09, /* No child processes */
+	UAEAGAIN		= 0x2f6df0a, /* Try again */
+	UAENOMEM		= 0x2f6df0b, /* Out of memory */
+	UAEACCES		= 0x2f6df0c, /* Permission denied */
+	UAEFAULT		= 0x2f6df0d, /* Bad address */
+	UAENOTBLK		= 0x2f6df0e, /* Block device required */
+	UAEBUSY			= 0x2f6df0f, /* Device or resource busy */
+	UAEEXIST		= 0x2f6df10, /* File exists */
+	UAEXDEV			= 0x2f6df11, /* Cross-device link */
+	UAENODEV		= 0x2f6df12, /* No such device */
+	UAENOTDIR		= 0x2f6df13, /* Not a directory */
+	UAEISDIR		= 0x2f6df14, /* Is a directory */
+	UAEINVAL		= 0x2f6df15, /* Invalid argument */
+	UAENFILE		= 0x2f6df16, /* File table overflow */
+	UAEMFILE		= 0x2f6df17, /* Too many open files */
+	UAENOTTY		= 0x2f6df18, /* Not a typewriter */
+	UAETXTBSY		= 0x2f6df19, /* Text file busy */
+	UAEFBIG			= 0x2f6df1a, /* File too large */
+	UAENOSPC		= 0x2f6df1b, /* No space left on device */
+	UAESPIPE		= 0x2f6df1c, /* Illegal seek */
+	UAEROFS			= 0x2f6df1d, /* Read-only file system */
+	UAEMLINK		= 0x2f6df1e, /* Too many links */
+	UAEPIPE			= 0x2f6df1f, /* Broken pipe */
+	UAEDOM			= 0x2f6df20, /* Math argument out of domain of func */
+	UAERANGE		= 0x2f6df21, /* Math result not representable */
+	UAEDEADLK		= 0x2f6df22, /* Resource deadlock would occur */
+	UAENAMETOOLONG		= 0x2f6df23, /* File name too long */
+	UAENOLCK		= 0x2f6df24, /* No record locks available */
+	UAENOSYS		= 0x2f6df25, /* Function not implemented */
+	UAENOTEMPTY		= 0x2f6df26, /* Directory not empty */
+	UAELOOP			= 0x2f6df27, /* Too many symbolic links encountered */
+	UAEWOULDBLOCK		= 0x2f6df28, /* Operation would block */
+	UAENOMSG		= 0x2f6df29, /* No message of desired type */
+	UAEIDRM			= 0x2f6df2a, /* Identifier removed */
+	UAECHRNG		= 0x2f6df2b, /* Channel number out of range */
+	UAEL2NSYNC		= 0x2f6df2c, /* Level 2 not synchronized */
+	UAEL3HLT		= 0x2f6df2d, /* Level 3 halted */
+	UAEL3RST		= 0x2f6df2e, /* Level 3 reset */
+	UAELNRNG		= 0x2f6df2f, /* Link number out of range */
+	UAEUNATCH		= 0x2f6df30, /* Protocol driver not attached */
+	UAENOCSI		= 0x2f6df31, /* No CSI structure available */
+	UAEL2HLT		= 0x2f6df32, /* Level 2 halted */
+	UAEBADE			= 0x2f6df33, /* Invalid exchange */
+	UAEBADR			= 0x2f6df34, /* Invalid request descriptor */
+	UAEXFULL		= 0x2f6df35, /* Exchange full */
+	UAENOANO		= 0x2f6df36, /* No anode */
+	UAEBADRQC		= 0x2f6df37, /* Invalid request code */
+	UAEBADSLT		= 0x2f6df38, /* Invalid slot */
+	UAEBFONT		= 0x2f6df39, /* Bad font file format */
+	UAENOSTR		= 0x2f6df3a, /* Device not a stream */
+	UAENODATA		= 0x2f6df3b, /* No data available */
+	UAETIME			= 0x2f6df3c, /* Timer expired */
+	UAENOSR			= 0x2f6df3d, /* Out of streams resources */
+	UAENONET		= 0x2f6df3e, /* Machine is not on the network */
+	UAENOPKG		= 0x2f6df3f, /* Package not installed */
+	UAEREMOTE		= 0x2f6df40, /* Object is remote */
+	UAENOLINK		= 0x2f6df41, /* Link has been severed */
+	UAEADV			= 0x2f6df42, /* Advertise error */
+	UAESRMNT		= 0x2f6df43, /* Srmount error */
+	UAECOMM			= 0x2f6df44, /* Communication error on send */
+	UAEPROTO		= 0x2f6df45, /* Protocol error */
+	UAEMULTIHOP		= 0x2f6df46, /* Multihop attempted */
+	UAEDOTDOT		= 0x2f6df47, /* RFS specific error */
+	UAEBADMSG		= 0x2f6df48, /* Not a data message */
+	UAEOVERFLOW		= 0x2f6df49, /* Value too large for defined data type */
+	UAENOTUNIQ		= 0x2f6df4a, /* Name not unique on network */
+	UAEBADFD		= 0x2f6df4b, /* File descriptor in bad state */
+	UAEREMCHG		= 0x2f6df4c, /* Remote address changed */
+	UAELIBACC		= 0x2f6df4d, /* Can not access a needed shared library */
+	UAELIBBAD		= 0x2f6df4e, /* Accessing a corrupted shared library */
+	UAELIBSCN		= 0x2f6df4f, /* .lib section in a.out corrupted */
+	UAELIBMAX		= 0x2f6df50, /* Attempting to link in too many shared libraries */
+	UAELIBEXEC		= 0x2f6df51, /* Cannot exec a shared library directly */
+	UAEILSEQ		= 0x2f6df52, /* Illegal byte sequence */
+	UAERESTART		= 0x2f6df53, /* Interrupted system call should be restarted */
+	UAESTRPIPE		= 0x2f6df54, /* Streams pipe error */
+	UAEUSERS		= 0x2f6df55, /* Too many users */
+	UAENOTSOCK		= 0x2f6df56, /* Socket operation on non-socket */
+	UAEDESTADDRREQ		= 0x2f6df57, /* Destination address required */
+	UAEMSGSIZE		= 0x2f6df58, /* Message too long */
+	UAEPROTOTYPE		= 0x2f6df59, /* Protocol wrong type for socket */
+	UAENOPROTOOPT		= 0x2f6df5a, /* Protocol not available */
+	UAEPROTONOSUPPORT	= 0x2f6df5b, /* Protocol not supported */
+	UAESOCKTNOSUPPORT	= 0x2f6df5c, /* Socket type not supported */
+	UAEOPNOTSUPP		= 0x2f6df5d, /* Operation not supported on transport endpoint */
+	UAEPFNOSUPPORT		= 0x2f6df5e, /* Protocol family not supported */
+	UAEAFNOSUPPORT		= 0x2f6df5f, /* Address family not supported by protocol */
+	UAEADDRINUSE		= 0x2f6df60, /* Address already in use */
+	UAEADDRNOTAVAIL		= 0x2f6df61, /* Cannot assign requested address */
+	UAENETDOWN		= 0x2f6df62, /* Network is down */
+	UAENETUNREACH		= 0x2f6df63, /* Network is unreachable */
+	UAENETRESET		= 0x2f6df64, /* Network dropped connection because of reset */
+	UAECONNABORTED		= 0x2f6df65, /* Software caused connection abort */
+	UAECONNRESET		= 0x2f6df66, /* Connection reset by peer */
+	UAENOBUFS		= 0x2f6df67, /* No buffer space available */
+	UAEISCONN		= 0x2f6df68, /* Transport endpoint is already connected */
+	UAENOTCONN		= 0x2f6df69, /* Transport endpoint is not connected */
+	UAESHUTDOWN		= 0x2f6df6a, /* Cannot send after transport endpoint shutdown */
+	UAETOOMANYREFS		= 0x2f6df6b, /* Too many references: cannot splice */
+	UAETIMEDOUT		= 0x2f6df6c, /* Connection timed out */
+	UAECONNREFUSED		= 0x2f6df6d, /* Connection refused */
+	UAEHOSTDOWN		= 0x2f6df6e, /* Host is down */
+	UAEHOSTUNREACH		= 0x2f6df6f, /* No route to host */
+	UAEALREADY		= 0x2f6df70, /* Operation already in progress */
+	UAEINPROGRESS		= 0x2f6df71, /* Operation now in progress */
+	UAESTALE		= 0x2f6df72, /* Stale NFS file handle */
+	UAEUCLEAN		= 0x2f6df73, /* Structure needs cleaning */
+	UAENOTNAM		= 0x2f6df74, /* Not a XENIX named type file */
+	UAENAVAIL		= 0x2f6df75, /* No XENIX semaphores available */
+	UAEISNAM		= 0x2f6df76, /* Is a named type file */
+	UAEREMOTEIO		= 0x2f6df77, /* Remote I/O error */
+	UAEDQUOT		= 0x2f6df78, /* Quota exceeded */
+	UAENOMEDIUM		= 0x2f6df79, /* No medium found */
+	UAEMEDIUMTYPE		= 0x2f6df7a, /* Wrong medium type */
+};