/usr/include/afs/xfsattrs.h is in libopenafs-dev 1.6.7-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright 2000, International Business Machines Corporation and others.
* All Rights Reserved.
*
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
*/
#ifndef AFS_XFSATTRS_H
#define AFS_XFSATTRS_H
#ifdef AFS_SGI_XFS_IOPS_ENV
/* This header file contains the definitions of the XFS attributes used to
* implement vice inodes for the XFS fileserver.
*/
#include <sys/attributes.h>
/* Parameters in at_param are:
* volume special file:
* 0 volume
* 1 INODESPECIAL
* 2 special file type
* 3 parent volume
*
* regular AFS file:
* 0 RW volume
* 1 vnode
* 2 uniquifier
* 3 data version
*/
typedef int afs_inode_params_t[4]; /* Use to pass param[4] to kernel. */
/* XFS attribute must be at most 36 bytes to fit in inode. This includes
* the null terminated name of the attribute.
*/
#define AFS_XFS_ATTR "AFS"
/* The version number covers all of the attribute of the vice inode including
* mode, uid and gid.
*/
#define AFS_XFS_ATTR_VERS ((char)1)
/* The name version is the version of the scheme used to name vice inodes.
* version 1 is /vicepX/.<volume-id>/.<uniquifier>.<tag> All numbers are
* in base 64. Use the utilities in util/base64.c for conversion.
* Version 2 is /vicepX/.afsinodes.<volume-id>/.<uniquifier>.<tag>
*/
#define AFS_XFS_NAME_VERS1 ((char)1)
#define AFS_XFS_NAME_VERS2 ((char)2)
#define AFS_XFS_NAME_VERS AFS_XFS_NAME_VERS2
#define AFS_INODE_DIR_NAME ".afsinodes."
/* Unfortunately, to get all this in 39 bytes requires proper packing.
* So, the version number is at an offset instead of first.
*/
typedef struct {
#ifdef KERNEL
ino_t at_pino; /* inode# of parent directory. */
#else
uint64_t at_pino; /* inode# of parent directory. */
#endif
u_char at_attr_version; /* version number of struct, currently 0. */
u_char at_name_version; /* version number of file names. */
u_short at_tag; /* guarantees unique file names. */
afs_inode_params_t at_param; /* vice parameters. */
} afs_xfs_attr_t;
/* Use this for getting and setting attr. sizeof struct is too large. */
#define SIZEOF_XFS_ATTR_T (7*sizeof(int))
/* Additional info is stored in inode standard attributes:
* mode - low 7 bits are link count.
* uid - clipped volume id (inode_p1)
* gid - XFS_VICEMAGIC
* Only set low 31 bits of uid and gid so chown can fix in xfs_ListViceInodes.
*/
#define AFS_XFS_MODE_LINK_MASK 0x7
#define AFS_XFS_VNO_CLIP(V) (V & 0x7fffffff)
/* AFS_XFS_DATTR is used by ListViceInodes to restrict it's search to
* AFS directories. Using an attribute, since it can't inadvertantly be
* changed by Unix syscalls.
*/
#define AFS_XFS_DATTR "AFSDIR"
typedef struct {
#define AFS_XFS_ATD_VERS 1
char atd_version;
char atd_spare[3];
int atd_volume; /* RW volume id */
} afs_xfs_dattr_t;
#define SIZEOF_XFS_DATTR_T sizeof(afs_xfs_dattr_t)
/* vice_inode_info_t must match ViceInodeInfo for the salvager.
* vice_inode_info_t and i_list_inode_t are used to get the inode
* information from XFS partitions. The ili_name_version is
* used to ensure we're using the correct naming algorithm
* to fix file names in ListViceInodes.
*/
typedef struct {
uint64_t inodeNumber;
int byteCount;
int linkCount;
int param[4];
} vice_inode_info_t;
typedef struct {
#define AFS_XFS_ILI_VERSION 1
u_int ili_version; /* input is requested struct version. */
u_char ili_attr_version; /* attr's version */
u_char ili_name_version; /* attr's name version */
u_short ili_tag; /* at_tag number. */
uint64_t ili_pino; /* parent inode number. */
vice_inode_info_t ili_info; /* Must be at a 64 bit offset. */
u_int ili_vno, ili_magic;
} i_list_inode_t;
#endif /* AFS_SGI_XFS_IOPS_ENV */
#endif /* AFS_XFSATTRS_H */
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