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 */
177