1/* SPDX-License-Identifier: GPL-2.0-or-later */
  2/* YFS protocol bits
  3 *
  4 * Copyright (C) 2018 Red Hat, Inc. All Rights Reserved.
  5 * Written by David Howells (dhowells@redhat.com)
  6 */
  7
  8#define YFS_FS_SERVICE	2500
  9#define YFS_CM_SERVICE	2501
 10
 11#define YFSCBMAX	1024
 12
 13enum YFS_CM_Operations {
 14	YFSCBProbe		= 206,	/* probe client */
 15	YFSCBGetLock		= 207,	/* get contents of CM lock table */
 16	YFSCBXStatsVersion	= 209,	/* get version of extended statistics */
 17	YFSCBGetXStats		= 210,	/* get contents of extended statistics data */
 18	YFSCBInitCallBackState3	= 213,	/* initialise callback state, version 3 */
 19	YFSCBProbeUuid		= 214,	/* check the client hasn't rebooted */
 20	YFSCBGetServerPrefs	= 215,
 21	YFSCBGetCellServDV	= 216,
 22	YFSCBGetLocalCell	= 217,
 23	YFSCBGetCacheConfig	= 218,
 24	YFSCBGetCellByNum	= 65537,
 25	YFSCBTellMeAboutYourself = 65538, /* get client capabilities */
 26	YFSCBCallBack		= 64204,
 27};
 28
 29enum YFS_FS_Operations {
 30	YFSFETCHACL		= 64131, /* YFS Fetch file AFS3 ACL */
 31	YFSFETCHSTATUS		= 64132, /* YFS Fetch file status */
 32	YFSSTOREACL		= 64134, /* YFS Store file AFS3 ACL */
 33	YFSSTORESTATUS		= 64135, /* YFS Store file status */
 34	YFSREMOVEFILE		= 64136, /* YFS Remove a file */
 35	YFSCREATEFILE		= 64137, /* YFS Create a file */
 36	YFSRENAME		= 64138, /* YFS Rename or move a file or directory */
 37	YFSSYMLINK		= 64139, /* YFS Create a symbolic link */
 38	YFSLINK			= 64140, /* YFS Create a hard link */
 39	YFSMAKEDIR		= 64141, /* YFS Create a directory */
 40	YFSREMOVEDIR		= 64142, /* YFS Remove a directory */
 41	YFSGETVOLUMESTATUS	= 64149, /* YFS Get volume status information */
 42	YFSSETVOLUMESTATUS	= 64150, /* YFS Set volume status information */
 43	YFSSETLOCK		= 64156, /* YFS Request a file lock */
 44	YFSEXTENDLOCK		= 64157, /* YFS Extend a file lock */
 45	YFSRELEASELOCK		= 64158, /* YFS Release a file lock */
 46	YFSLOOKUP		= 64161, /* YFS lookup file in directory */
 47	YFSFLUSHCPS		= 64165,
 48	YFSFETCHOPAQUEACL	= 64168, /* YFS Fetch file YFS ACL */
 49	YFSWHOAMI		= 64170,
 50	YFSREMOVEACL		= 64171,
 51	YFSREMOVEFILE2		= 64173,
 52	YFSSTOREOPAQUEACL2	= 64174,
 53	YFSINLINEBULKSTATUS	= 64536, /* YFS Fetch multiple file statuses with errors */
 54	YFSFETCHDATA64		= 64537, /* YFS Fetch file data */
 55	YFSSTOREDATA64		= 64538, /* YFS Store file data */
 56	YFSUPDATESYMLINK	= 64540,
 57};
 58
 59struct yfs_xdr_u64 {
 60	__be32			msw;
 61	__be32			lsw;
 62} __packed;
 63
 64static inline u64 xdr_to_u64(const struct yfs_xdr_u64 x)
 65{
 66	return ((u64)ntohl(x.msw) << 32) | ntohl(x.lsw);
 67}
 68
 69static inline struct yfs_xdr_u64 u64_to_xdr(const u64 x)
 70{
 71	return (struct yfs_xdr_u64){ .msw = htonl(x >> 32), .lsw = htonl(x) };
 72}
 73
 74struct yfs_xdr_vnode {
 75	struct yfs_xdr_u64	lo;
 76	__be32			hi;
 77	__be32			unique;
 78} __packed;
 79
 80struct yfs_xdr_YFSFid {
 81	struct yfs_xdr_u64	volume;
 82	struct yfs_xdr_vnode	vnode;
 83} __packed;
 84
 85
 86struct yfs_xdr_YFSFetchStatus {
 87	__be32			type;
 88	__be32			nlink;
 89	struct yfs_xdr_u64	size;
 90	struct yfs_xdr_u64	data_version;
 91	struct yfs_xdr_u64	author;
 92	struct yfs_xdr_u64	owner;
 93	struct yfs_xdr_u64	group;
 94	__be32			mode;
 95	__be32			caller_access;
 96	__be32			anon_access;
 97	struct yfs_xdr_vnode	parent;
 98	__be32			data_access_protocol;
 99	struct yfs_xdr_u64	mtime_client;
100	struct yfs_xdr_u64	mtime_server;
101	__be32			lock_count;
102	__be32			abort_code;
103} __packed;
104
105struct yfs_xdr_YFSCallBack {
106	__be32			version;
107	struct yfs_xdr_u64	expiration_time;
108	__be32			type;
109} __packed;
110
111struct yfs_xdr_YFSStoreStatus {
112	__be32			mask;
113	__be32			mode;
114	struct yfs_xdr_u64	mtime_client;
115	struct yfs_xdr_u64	owner;
116	struct yfs_xdr_u64	group;
117} __packed;
118
119struct yfs_xdr_RPCFlags {
120	__be32			rpc_flags;
121} __packed;
122
123struct yfs_xdr_YFSVolSync {
124	struct yfs_xdr_u64	vol_creation_date;
125	struct yfs_xdr_u64	vol_update_date;
126	struct yfs_xdr_u64	max_quota;
127	struct yfs_xdr_u64	blocks_in_use;
128	struct yfs_xdr_u64	blocks_avail;
129} __packed;
130
131enum yfs_volume_type {
132	yfs_volume_type_ro = 0,
133	yfs_volume_type_rw = 1,
134};
135
136#define yfs_FVSOnline		0x1
137#define yfs_FVSInservice	0x2
138#define yfs_FVSBlessed		0x4
139#define yfs_FVSNeedsSalvage	0x8
140
141struct yfs_xdr_YFSFetchVolumeStatus {
142	struct yfs_xdr_u64	vid;
143	struct yfs_xdr_u64	parent_id;
144	__be32			flags;
145	__be32			type;
146	struct yfs_xdr_u64	max_quota;
147	struct yfs_xdr_u64	blocks_in_use;
148	struct yfs_xdr_u64	part_blocks_avail;
149	struct yfs_xdr_u64	part_max_blocks;
150	struct yfs_xdr_u64	vol_copy_date;
151	struct yfs_xdr_u64	vol_backup_date;
152} __packed;
153
154struct yfs_xdr_YFSStoreVolumeStatus {
155	__be32			mask;
156	struct yfs_xdr_u64	min_quota;
157	struct yfs_xdr_u64	max_quota;
158	struct yfs_xdr_u64	file_quota;
159} __packed;
160
161enum yfs_lock_type {
162	yfs_LockNone		= -1,
163	yfs_LockRead		= 0,
164	yfs_LockWrite		= 1,
165	yfs_LockExtend		= 2,
166	yfs_LockRelease		= 3,
167	yfs_LockMandatoryRead	= 0x100,
168	yfs_LockMandatoryWrite	= 0x101,
169	yfs_LockMandatoryExtend	= 0x102,
170};
171
172/* RXYFS Viced Capability Flags */
173#define YFS_VICED_CAPABILITY_ERRORTRANS		0x0001 /* Deprecated v0.195 */
174#define YFS_VICED_CAPABILITY_64BITFILES		0x0002 /* Deprecated v0.195 */
175#define YFS_VICED_CAPABILITY_WRITELOCKACL	0x0004 /* Can lock a file even without lock perm */
176#define YFS_VICED_CAPABILITY_SANEACLS		0x0008 /* Deprecated v0.195 */