[linux-2.6-block.git] / fs / afs / protocol_yfs.h

/* YFS protocol bits
 *
 * Copyright (C) 2018 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */

#define YFS_FS_SERVICE	2500
#define YFS_CM_SERVICE	2501

#define YFSCBMAX 1024

enum YFS_CM_Operations {
	YFSCBProbe		= 206,	/* probe client */
	YFSCBGetLock		= 207,	/* get contents of CM lock table */
	YFSCBXStatsVersion	= 209,	/* get version of extended statistics */
	YFSCBGetXStats		= 210,	/* get contents of extended statistics data */
	YFSCBInitCallBackState3	= 213,	/* initialise callback state, version 3 */
	YFSCBProbeUuid		= 214,	/* check the client hasn't rebooted */
	YFSCBGetServerPrefs	= 215,
	YFSCBGetCellServDV	= 216,
	YFSCBGetLocalCell	= 217,
	YFSCBGetCacheConfig	= 218,
	YFSCBGetCellByNum	= 65537,
	YFSCBTellMeAboutYourself = 65538, /* get client capabilities */
	YFSCBCallBack		= 64204,
};

enum YFS_FS_Operations {
	YFSFETCHACL		= 64131, /* YFS Fetch file ACL */
	YFSFETCHSTATUS		= 64132, /* YFS Fetch file status */
	YFSSTOREACL		= 64134, /* YFS Store file ACL */
	YFSSTORESTATUS		= 64135, /* YFS Store file status */
	YFSREMOVEFILE		= 64136, /* YFS Remove a file */
	YFSCREATEFILE		= 64137, /* YFS Create a file */
	YFSRENAME		= 64138, /* YFS Rename or move a file or directory */
	YFSSYMLINK		= 64139, /* YFS Create a symbolic link */
	YFSLINK			= 64140, /* YFS Create a hard link */
	YFSMAKEDIR		= 64141, /* YFS Create a directory */
	YFSREMOVEDIR		= 64142, /* YFS Remove a directory */
	YFSGETVOLUMESTATUS	= 64149, /* YFS Get volume status information */
	YFSSETVOLUMESTATUS	= 64150, /* YFS Set volume status information */
	YFSSETLOCK		= 64156, /* YFS Request a file lock */
	YFSEXTENDLOCK		= 64157, /* YFS Extend a file lock */
	YFSRELEASELOCK		= 64158, /* YFS Release a file lock */
	YFSLOOKUP		= 64161, /* YFS lookup file in directory */
	YFSFLUSHCPS		= 64165,
	YFSFETCHOPAQUEACL	= 64168,
	YFSWHOAMI		= 64170,
	YFSREMOVEACL		= 64171,
	YFSREMOVEFILE2		= 64173,
	YFSSTOREOPAQUEACL2	= 64174,
	YFSINLINEBULKSTATUS	= 64536, /* YFS Fetch multiple file statuses with errors */
	YFSFETCHDATA64		= 64537, /* YFS Fetch file data */
	YFSSTOREDATA64		= 64538, /* YFS Store file data */
	YFSUPDATESYMLINK	= 64540,
};

struct yfs_xdr_u64 {
	__be32			msw;
	__be32			lsw;
} __packed;

static inline u64 xdr_to_u64(const struct yfs_xdr_u64 x)
{
	return ((u64)ntohl(x.msw) << 32) | ntohl(x.lsw);
}

static inline struct yfs_xdr_u64 u64_to_xdr(const u64 x)
{
	return (struct yfs_xdr_u64){ .msw = htonl(x >> 32), .lsw = htonl(x) };
}

struct yfs_xdr_vnode {
	struct yfs_xdr_u64	lo;
	__be32			hi;
	__be32			unique;
} __packed;

struct yfs_xdr_YFSFid {
	struct yfs_xdr_u64	volume;
	struct yfs_xdr_vnode	vnode;
} __packed;


struct yfs_xdr_YFSFetchStatus {
	__be32			type;
	__be32			nlink;
	struct yfs_xdr_u64	size;
	struct yfs_xdr_u64	data_version;
	struct yfs_xdr_u64	author;
	struct yfs_xdr_u64	owner;
	struct yfs_xdr_u64	group;
	__be32			mode;
	__be32			caller_access;
	__be32			anon_access;
	struct yfs_xdr_vnode	parent;
	__be32			data_access_protocol;
	struct yfs_xdr_u64	mtime_client;
	struct yfs_xdr_u64	mtime_server;
	__be32			lock_count;
	__be32			abort_code;
} __packed;

struct yfs_xdr_YFSCallBack {
	__be32			version;
	struct yfs_xdr_u64	expiration_time;
	__be32			type;
} __packed;

struct yfs_xdr_YFSStoreStatus {
	__be32			mask;
	__be32			mode;
	struct yfs_xdr_u64	mtime_client;
	struct yfs_xdr_u64	owner;
	struct yfs_xdr_u64	group;
} __packed;

struct yfs_xdr_RPCFlags {
	__be32			rpc_flags;
} __packed;

struct yfs_xdr_YFSVolSync {
	struct yfs_xdr_u64	vol_creation_date;
	struct yfs_xdr_u64	vol_update_date;
	struct yfs_xdr_u64	max_quota;
	struct yfs_xdr_u64	blocks_in_use;
	struct yfs_xdr_u64	blocks_avail;
} __packed;

enum yfs_volume_type {
	yfs_volume_type_ro = 0,
	yfs_volume_type_rw = 1,
};

#define yfs_FVSOnline		0x1
#define yfs_FVSInservice	0x2
#define yfs_FVSBlessed		0x4
#define yfs_FVSNeedsSalvage	0x8

struct yfs_xdr_YFSFetchVolumeStatus {
	struct yfs_xdr_u64	vid;
	struct yfs_xdr_u64	parent_id;
	__be32			flags;
	__be32			type;
	struct yfs_xdr_u64	max_quota;
	struct yfs_xdr_u64	blocks_in_use;
	struct yfs_xdr_u64	part_blocks_avail;
	struct yfs_xdr_u64	part_max_blocks;
	struct yfs_xdr_u64	vol_copy_date;
	struct yfs_xdr_u64	vol_backup_date;
} __packed;

struct yfs_xdr_YFSStoreVolumeStatus {
	__be32			mask;
	struct yfs_xdr_u64	min_quota;
	struct yfs_xdr_u64	max_quota;
	struct yfs_xdr_u64	file_quota;
} __packed;
Commit	Line	Data
35dbfba3 DH	1	/* YFS protocol bits
	2	*
	3	* Copyright (C) 2018 Red Hat, Inc. All Rights Reserved.
	4	* Written by David Howells (dhowells@redhat.com)
	5	*
	6	* This program is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU General Public Licence
	8	* as published by the Free Software Foundation; either version
	9	* 2 of the Licence, or (at your option) any later version.
	10	*/
	11
	12	#define YFS_FS_SERVICE 2500
	13	#define YFS_CM_SERVICE 2501
	14
	15	#define YFSCBMAX 1024
	16
	17	enum YFS_CM_Operations {
	18	YFSCBProbe = 206, /* probe client */
	19	YFSCBGetLock = 207, /* get contents of CM lock table */
	20	YFSCBXStatsVersion = 209, /* get version of extended statistics */
	21	YFSCBGetXStats = 210, /* get contents of extended statistics data */
	22	YFSCBInitCallBackState3 = 213, /* initialise callback state, version 3 */
	23	YFSCBProbeUuid = 214, /* check the client hasn't rebooted */
	24	YFSCBGetServerPrefs = 215,
	25	YFSCBGetCellServDV = 216,
	26	YFSCBGetLocalCell = 217,
	27	YFSCBGetCacheConfig = 218,
	28	YFSCBGetCellByNum = 65537,
	29	YFSCBTellMeAboutYourself = 65538, /* get client capabilities */
	30	YFSCBCallBack = 64204,
	31	};
	32
30062bd1 DH	33	enum YFS_FS_Operations {
	34	YFSFETCHACL = 64131, /* YFS Fetch file ACL */
	35	YFSFETCHSTATUS = 64132, /* YFS Fetch file status */
	36	YFSSTOREACL = 64134, /* YFS Store file ACL */
	37	YFSSTORESTATUS = 64135, /* YFS Store file status */
	38	YFSREMOVEFILE = 64136, /* YFS Remove a file */
	39	YFSCREATEFILE = 64137, /* YFS Create a file */
	40	YFSRENAME = 64138, /* YFS Rename or move a file or directory */
	41	YFSSYMLINK = 64139, /* YFS Create a symbolic link */
	42	YFSLINK = 64140, /* YFS Create a hard link */
	43	YFSMAKEDIR = 64141, /* YFS Create a directory */
	44	YFSREMOVEDIR = 64142, /* YFS Remove a directory */
	45	YFSGETVOLUMESTATUS = 64149, /* YFS Get volume status information */
	46	YFSSETVOLUMESTATUS = 64150, /* YFS Set volume status information */
	47	YFSSETLOCK = 64156, /* YFS Request a file lock */
	48	YFSEXTENDLOCK = 64157, /* YFS Extend a file lock */
	49	YFSRELEASELOCK = 64158, /* YFS Release a file lock */
	50	YFSLOOKUP = 64161, /* YFS lookup file in directory */
	51	YFSFLUSHCPS = 64165,
	52	YFSFETCHOPAQUEACL = 64168,
	53	YFSWHOAMI = 64170,
	54	YFSREMOVEACL = 64171,
	55	YFSREMOVEFILE2 = 64173,
	56	YFSSTOREOPAQUEACL2 = 64174,
	57	YFSINLINEBULKSTATUS = 64536, /* YFS Fetch multiple file statuses with errors */
	58	YFSFETCHDATA64 = 64537, /* YFS Fetch file data */
	59	YFSSTOREDATA64 = 64538, /* YFS Store file data */
	60	YFSUPDATESYMLINK = 64540,
	61	};
	62
35dbfba3 DH	63	struct yfs_xdr_u64 {
	64	__be32 msw;
	65	__be32 lsw;
	66	} __packed;
	67
	68	static inline u64 xdr_to_u64(const struct yfs_xdr_u64 x)
	69	{
	70	return ((u64)ntohl(x.msw) << 32) \| ntohl(x.lsw);
	71	}
	72
	73	static inline struct yfs_xdr_u64 u64_to_xdr(const u64 x)
	74	{
	75	return (struct yfs_xdr_u64){ .msw = htonl(x >> 32), .lsw = htonl(x) };
	76	}
	77
	78	struct yfs_xdr_vnode {
	79	struct yfs_xdr_u64 lo;
	80	__be32 hi;
	81	__be32 unique;
	82	} __packed;
	83
	84	struct yfs_xdr_YFSFid {
	85	struct yfs_xdr_u64 volume;
	86	struct yfs_xdr_vnode vnode;
	87	} __packed;
30062bd1 DH	88
	89
	90	struct yfs_xdr_YFSFetchStatus {
	91	__be32 type;
	92	__be32 nlink;
	93	struct yfs_xdr_u64 size;
	94	struct yfs_xdr_u64 data_version;
	95	struct yfs_xdr_u64 author;
	96	struct yfs_xdr_u64 owner;
	97	struct yfs_xdr_u64 group;
	98	__be32 mode;
	99	__be32 caller_access;
	100	__be32 anon_access;
	101	struct yfs_xdr_vnode parent;
	102	__be32 data_access_protocol;
	103	struct yfs_xdr_u64 mtime_client;
	104	struct yfs_xdr_u64 mtime_server;
	105	__be32 lock_count;
	106	__be32 abort_code;
	107	} __packed;
	108
	109	struct yfs_xdr_YFSCallBack {
	110	__be32 version;
	111	struct yfs_xdr_u64 expiration_time;
	112	__be32 type;
	113	} __packed;
	114
	115	struct yfs_xdr_YFSStoreStatus {
	116	__be32 mask;
	117	__be32 mode;
	118	struct yfs_xdr_u64 mtime_client;
	119	struct yfs_xdr_u64 owner;
	120	struct yfs_xdr_u64 group;
	121	} __packed;
	122
	123	struct yfs_xdr_RPCFlags {
	124	__be32 rpc_flags;
	125	} __packed;
	126
	127	struct yfs_xdr_YFSVolSync {
	128	struct yfs_xdr_u64 vol_creation_date;
	129	struct yfs_xdr_u64 vol_update_date;
	130	struct yfs_xdr_u64 max_quota;
	131	struct yfs_xdr_u64 blocks_in_use;
	132	struct yfs_xdr_u64 blocks_avail;
	133	} __packed;
	134
	135	enum yfs_volume_type {
	136	yfs_volume_type_ro = 0,
	137	yfs_volume_type_rw = 1,
	138	};
	139
	140	#define yfs_FVSOnline 0x1
	141	#define yfs_FVSInservice 0x2
	142	#define yfs_FVSBlessed 0x4
	143	#define yfs_FVSNeedsSalvage 0x8
	144
	145	struct yfs_xdr_YFSFetchVolumeStatus {
	146	struct yfs_xdr_u64 vid;
	147	struct yfs_xdr_u64 parent_id;
	148	__be32 flags;
	149	__be32 type;
	150	struct yfs_xdr_u64 max_quota;
	151	struct yfs_xdr_u64 blocks_in_use;
152	struct yfs_xdr_u64 part_blocks_avail;
153	struct yfs_xdr_u64 part_max_blocks;
154	struct yfs_xdr_u64 vol_copy_date;
155	struct yfs_xdr_u64 vol_backup_date;
156	} __packed;
157
158	struct yfs_xdr_YFSStoreVolumeStatus {
159	__be32 mask;
160	struct yfs_xdr_u64 min_quota;
161	struct yfs_xdr_u64 max_quota;
162	struct yfs_xdr_u64 file_quota;
163	} __packed;