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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  
13  enum 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  
29  enum 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  
59  struct yfs_xdr_u64 {
60  	__be32			msw;
61  	__be32			lsw;
62  } __packed;
63  
xdr_to_u64(const struct yfs_xdr_u64 x)64  static inline u64 xdr_to_u64(const struct yfs_xdr_u64 x)
65  {
66  	return ((u64)ntohl(x.msw) << 32) | ntohl(x.lsw);
67  }
68  
u64_to_xdr(const u64 x)69  static 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  
74  struct yfs_xdr_vnode {
75  	struct yfs_xdr_u64	lo;
76  	__be32			hi;
77  	__be32			unique;
78  } __packed;
79  
80  struct yfs_xdr_YFSFid {
81  	struct yfs_xdr_u64	volume;
82  	struct yfs_xdr_vnode	vnode;
83  } __packed;
84  
85  
86  struct 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  
105  struct yfs_xdr_YFSCallBack {
106  	__be32			version;
107  	struct yfs_xdr_u64	expiration_time;
108  	__be32			type;
109  } __packed;
110  
111  struct 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  
119  struct yfs_xdr_RPCFlags {
120  	__be32			rpc_flags;
121  } __packed;
122  
123  struct 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  
131  enum 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  
141  struct 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  
154  struct 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  
161  enum 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