[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / nfs_xdr.h

#ifndef _LINUX_NFS_XDR_H
#define _LINUX_NFS_XDR_H

#include <linux/sunrpc/xprt.h>
#include <linux/nfsacl.h>

struct nfs4_fsid {
	__u64 major;
	__u64 minor;
};

struct nfs_fattr {
	unsigned short		valid;		/* which fields are valid */
	__u64			pre_size;	/* pre_op_attr.size	  */
	struct timespec		pre_mtime;	/* pre_op_attr.mtime	  */
	struct timespec		pre_ctime;	/* pre_op_attr.ctime	  */
	enum nfs_ftype		type;		/* always use NFSv2 types */
	__u32			mode;
	__u32			nlink;
	__u32			uid;
	__u32			gid;
	__u64			size;
	union {
		struct {
			__u32	blocksize;
			__u32	blocks;
		} nfs2;
		struct {
			__u64	used;
		} nfs3;
	} du;
	dev_t			rdev;
	union {
		__u64		nfs3;		/* also nfs2 */
		struct nfs4_fsid nfs4;
	} fsid_u;
	__u64			fileid;
	struct timespec		atime;
	struct timespec		mtime;
	struct timespec		ctime;
	__u32			bitmap[2];	/* NFSv4 returned attribute bitmap */
	__u64			change_attr;	/* NFSv4 change attribute */
	__u64			pre_change_attr;/* pre-op NFSv4 change attribute */
	unsigned long		time_start;
};

#define NFS_ATTR_WCC		0x0001		/* pre-op WCC data    */
#define NFS_ATTR_FATTR		0x0002		/* post-op attributes */
#define NFS_ATTR_FATTR_V3	0x0004		/* NFSv3 attributes */
#define NFS_ATTR_FATTR_V4	0x0008
#define NFS_ATTR_PRE_CHANGE	0x0010

/*
 * Info on the file system
 */
struct nfs_fsinfo {
	struct nfs_fattr	*fattr; /* Post-op attributes */
	__u32			rtmax;	/* max.  read transfer size */
	__u32			rtpref;	/* pref. read transfer size */
	__u32			rtmult;	/* reads should be multiple of this */
	__u32			wtmax;	/* max.  write transfer size */
	__u32			wtpref;	/* pref. write transfer size */
	__u32			wtmult;	/* writes should be multiple of this */
	__u32			dtpref;	/* pref. readdir transfer size */
	__u64			maxfilesize;
	__u32			lease_time; /* in seconds */
};

struct nfs_fsstat {
	struct nfs_fattr	*fattr; /* Post-op attributes */
	__u64			tbytes;	/* total size in bytes */
	__u64			fbytes;	/* # of free bytes */
	__u64			abytes;	/* # of bytes available to user */
	__u64			tfiles;	/* # of files */
	__u64			ffiles;	/* # of free files */
	__u64			afiles;	/* # of files available to user */
};

struct nfs2_fsstat {
	__u32			tsize;  /* Server transfer size */
	__u32			bsize;  /* Filesystem block size */
	__u32			blocks; /* No. of "bsize" blocks on filesystem */
	__u32			bfree;  /* No. of free "bsize" blocks */
	__u32			bavail; /* No. of available "bsize" blocks */
};

struct nfs_pathconf {
	struct nfs_fattr	*fattr; /* Post-op attributes */
	__u32			max_link; /* max # of hard links */
	__u32			max_namelen; /* max name length */
};

struct nfs4_change_info {
	u32			atomic;
	u64			before;
	u64			after;
};

struct nfs_seqid;
/*
 * Arguments to the open call.
 */
struct nfs_openargs {
	const struct nfs_fh *	fh;
	struct nfs_seqid *	seqid;
	int			open_flags;
	__u64                   clientid;
	__u32                   id;
	union {
		struct iattr *  attrs;    /* UNCHECKED, GUARDED */
		nfs4_verifier   verifier; /* EXCLUSIVE */
		nfs4_stateid	delegation;		/* CLAIM_DELEGATE_CUR */
		int		delegation_type;	/* CLAIM_PREVIOUS */
	} u;
	const struct qstr *	name;
	const struct nfs_server *server;	 /* Needed for ID mapping */
	const u32 *		bitmask;
	__u32			claim;
};

struct nfs_openres {
	nfs4_stateid            stateid;
	struct nfs_fh           fh;
	struct nfs4_change_info	cinfo;
	__u32                   rflags;
	struct nfs_fattr *      f_attr;
	struct nfs_fattr *      dir_attr;
	const struct nfs_server *server;
	int			delegation_type;
	nfs4_stateid		delegation;
	__u32			do_recall;
	__u64			maxsize;
};

/*
 * Arguments to the open_confirm call.
 */
struct nfs_open_confirmargs {
	const struct nfs_fh *	fh;
	nfs4_stateid            stateid;
	struct nfs_seqid *	seqid;
};

struct nfs_open_confirmres {
	nfs4_stateid            stateid;
};

/*
 * Arguments to the close call.
 */
struct nfs_closeargs {
	struct nfs_fh *         fh;
	nfs4_stateid *		stateid;
	struct nfs_seqid *	seqid;
	int			open_flags;
	const u32 *		bitmask;
};

struct nfs_closeres {
	nfs4_stateid            stateid;
	struct nfs_fattr *	fattr;
	const struct nfs_server *server;
};
/*
 *  * Arguments to the lock,lockt, and locku call.
 *   */
struct nfs_lowner {
	__u64           clientid;
	u32                     id;
};

struct nfs_lock_opargs {
	struct nfs_seqid *	lock_seqid;
	nfs4_stateid *		lock_stateid;
	struct nfs_seqid *	open_seqid;
	nfs4_stateid *		open_stateid;
	struct nfs_lowner       lock_owner;
	__u32                   reclaim;
	__u32                   new_lock_owner;
};

struct nfs_locku_opargs {
	struct nfs_seqid *	seqid;
	nfs4_stateid *		stateid;
};

struct nfs_lockargs {
	struct nfs_fh *         fh;
	__u32                   type;
	__u64                   offset; 
	__u64                   length; 
	union {
		struct nfs_lock_opargs  *lock;    /* LOCK  */
		struct nfs_lowner       *lockt;  /* LOCKT */
		struct nfs_locku_opargs *locku;  /* LOCKU */
	} u;
};

struct nfs_lock_denied {
	__u64                   offset;
	__u64                   length;
	__u32                   type;
	struct nfs_lowner   	owner;
};

struct nfs_lockres {
	union {
		nfs4_stateid            stateid;/* LOCK success, LOCKU */
		struct nfs_lock_denied  denied; /* LOCK failed, LOCKT success */
	} u;
	const struct nfs_server *	server;
};

struct nfs4_delegreturnargs {
	const struct nfs_fh *fhandle;
	const nfs4_stateid *stateid;
};

/*
 * Arguments to the read call.
 */

#define NFS_READ_MAXIOV		(9U)
#if (NFS_READ_MAXIOV > (MAX_IOVEC -2))
#error "NFS_READ_MAXIOV is too large"
#endif

struct nfs_readargs {
	struct nfs_fh *		fh;
	struct nfs_open_context *context;
	__u64			offset;
	__u32			count;
	unsigned int		pgbase;
	struct page **		pages;
};

struct nfs_readres {
	struct nfs_fattr *	fattr;
	__u32			count;
	int                     eof;
};

/*
 * Arguments to the write call.
 */
#define NFS_WRITE_MAXIOV	(9U)
#if (NFS_WRITE_MAXIOV > (MAX_IOVEC -2))
#error "NFS_WRITE_MAXIOV is too large"
#endif

struct nfs_writeargs {
	struct nfs_fh *		fh;
	struct nfs_open_context *context;
	__u64			offset;
	__u32			count;
	enum nfs3_stable_how	stable;
	unsigned int		pgbase;
	struct page **		pages;
};

struct nfs_writeverf {
	enum nfs3_stable_how	committed;
	__u32			verifier[2];
};

struct nfs_writeres {
	struct nfs_fattr *	fattr;
	struct nfs_writeverf *	verf;
	__u32			count;
};

/*
 * Argument struct for decode_entry function
 */
struct nfs_entry {
	__u64			ino;
	__u64			cookie,
				prev_cookie;
	const char *		name;
	unsigned int		len;
	int			eof;
	struct nfs_fh *		fh;
	struct nfs_fattr *	fattr;
};

/*
 * The following types are for NFSv2 only.
 */
struct nfs_sattrargs {
	struct nfs_fh *		fh;
	struct iattr *		sattr;
};

struct nfs_diropargs {
	struct nfs_fh *		fh;
	const char *		name;
	unsigned int		len;
};

struct nfs_createargs {
	struct nfs_fh *		fh;
	const char *		name;
	unsigned int		len;
	struct iattr *		sattr;
};

struct nfs_renameargs {
	struct nfs_fh *		fromfh;
	const char *		fromname;
	unsigned int		fromlen;
	struct nfs_fh *		tofh;
	const char *		toname;
	unsigned int		tolen;
};

struct nfs_setattrargs {
	struct nfs_fh *                 fh;
	nfs4_stateid                    stateid;
	struct iattr *                  iap;
	const struct nfs_server *	server; /* Needed for name mapping */
	const u32 *			bitmask;
};

struct nfs_setaclargs {
	struct nfs_fh *			fh;
	size_t				acl_len;
	unsigned int			acl_pgbase;
	struct page **			acl_pages;
};

struct nfs_getaclargs {
	struct nfs_fh *			fh;
	size_t				acl_len;
	unsigned int			acl_pgbase;
	struct page **			acl_pages;
};

struct nfs_setattrres {
	struct nfs_fattr *              fattr;
	const struct nfs_server *	server;
};

struct nfs_linkargs {
	struct nfs_fh *		fromfh;
	struct nfs_fh *		tofh;
	const char *		toname;
	unsigned int		tolen;
};

struct nfs_symlinkargs {
	struct nfs_fh *		fromfh;
	const char *		fromname;
	unsigned int		fromlen;
	const char *		topath;
	unsigned int		tolen;
	struct iattr *		sattr;
};

struct nfs_readdirargs {
	struct nfs_fh *		fh;
	__u32			cookie;
	unsigned int		count;
	struct page **		pages;
};

struct nfs3_getaclargs {
	struct nfs_fh *		fh;
	int			mask;
	struct page **		pages;
};

struct nfs3_setaclargs {
	struct inode *		inode;
	int			mask;
	struct posix_acl *	acl_access;
	struct posix_acl *	acl_default;
	struct page **		pages;
};

struct nfs_diropok {
	struct nfs_fh *		fh;
	struct nfs_fattr *	fattr;
};

struct nfs_readlinkargs {
	struct nfs_fh *		fh;
	unsigned int		pgbase;
	unsigned int		pglen;
	struct page **		pages;
};

struct nfs3_sattrargs {
	struct nfs_fh *		fh;
	struct iattr *		sattr;
	unsigned int		guard;
	struct timespec		guardtime;
};

struct nfs3_diropargs {
	struct nfs_fh *		fh;
	const char *		name;
	unsigned int		len;
};

struct nfs3_accessargs {
	struct nfs_fh *		fh;
	__u32			access;
};

struct nfs3_createargs {
	struct nfs_fh *		fh;
	const char *		name;
	unsigned int		len;
	struct iattr *		sattr;
	enum nfs3_createmode	createmode;
	__u32			verifier[2];
};

struct nfs3_mkdirargs {
	struct nfs_fh *		fh;
	const char *		name;
	unsigned int		len;
	struct iattr *		sattr;
};

struct nfs3_symlinkargs {
	struct nfs_fh *		fromfh;
	const char *		fromname;
	unsigned int		fromlen;
	const char *		topath;
	unsigned int		tolen;
	struct iattr *		sattr;
};

struct nfs3_mknodargs {
	struct nfs_fh *		fh;
	const char *		name;
	unsigned int		len;
	enum nfs3_ftype		type;
	struct iattr *		sattr;
	dev_t			rdev;
};

struct nfs3_renameargs {
	struct nfs_fh *		fromfh;
	const char *		fromname;
	unsigned int		fromlen;
	struct nfs_fh *		tofh;
	const char *		toname;
	unsigned int		tolen;
};

struct nfs3_linkargs {
	struct nfs_fh *		fromfh;
	struct nfs_fh *		tofh;
	const char *		toname;
	unsigned int		tolen;
};

struct nfs3_readdirargs {
	struct nfs_fh *		fh;
	__u64			cookie;
	__u32			verf[2];
	int			plus;
	unsigned int            count;
	struct page **		pages;
};

struct nfs3_diropres {
	struct nfs_fattr *	dir_attr;
	struct nfs_fh *		fh;
	struct nfs_fattr *	fattr;
};

struct nfs3_accessres {
	struct nfs_fattr *	fattr;
	__u32			access;
};

struct nfs3_readlinkargs {
	struct nfs_fh *		fh;
	unsigned int		pgbase;
	unsigned int		pglen;
	struct page **		pages;
};

struct nfs3_renameres {
	struct nfs_fattr *	fromattr;
	struct nfs_fattr *	toattr;
};

struct nfs3_linkres {
	struct nfs_fattr *	dir_attr;
	struct nfs_fattr *	fattr;
};

struct nfs3_readdirres {
	struct nfs_fattr *	dir_attr;
	__u32 *			verf;
	int			plus;
};

struct nfs3_getaclres {
	struct nfs_fattr *	fattr;
	int			mask;
	unsigned int		acl_access_count;
	unsigned int		acl_default_count;
	struct posix_acl *	acl_access;
	struct posix_acl *	acl_default;
};

#ifdef CONFIG_NFS_V4

typedef u64 clientid4;

struct nfs4_accessargs {
	const struct nfs_fh *		fh;
	u32				access;
};

struct nfs4_accessres {
	u32				supported;
	u32				access;
};

struct nfs4_create_arg {
	u32				ftype;
	union {
		struct qstr *		symlink;    /* NF4LNK */
		struct {
			u32		specdata1;
			u32		specdata2;
		} device;    /* NF4BLK, NF4CHR */
	} u;
	const struct qstr *		name;
	const struct nfs_server *	server;
	const struct iattr *		attrs;
	const struct nfs_fh *		dir_fh;
	const u32 *			bitmask;
};

struct nfs4_create_res {
	const struct nfs_server *	server;
	struct nfs_fh *			fh;
	struct nfs_fattr *		fattr;
	struct nfs4_change_info		dir_cinfo;
	struct nfs_fattr *		dir_fattr;
};

struct nfs4_fsinfo_arg {
	const struct nfs_fh *		fh;
	const u32 *			bitmask;
};

struct nfs4_getattr_arg {
	const struct nfs_fh *		fh;
	const u32 *			bitmask;
};

struct nfs4_getattr_res {
	const struct nfs_server *	server;
	struct nfs_fattr *		fattr;
};

struct nfs4_link_arg {
	const struct nfs_fh *		fh;
	const struct nfs_fh *		dir_fh;
	const struct qstr *		name;
	const u32 *			bitmask;
};

struct nfs4_link_res {
	const struct nfs_server *	server;
	struct nfs_fattr *		fattr;
	struct nfs4_change_info		cinfo;
	struct nfs_fattr *		dir_attr;
};


struct nfs4_lookup_arg {
	const struct nfs_fh *		dir_fh;
	const struct qstr *		name;
	const u32 *			bitmask;
};

struct nfs4_lookup_res {
	const struct nfs_server *	server;
	struct nfs_fattr *		fattr;
	struct nfs_fh *			fh;
};

struct nfs4_lookup_root_arg {
	const u32 *			bitmask;
};

struct nfs4_pathconf_arg {
	const struct nfs_fh *		fh;
	const u32 *			bitmask;
};

struct nfs4_readdir_arg {
	const struct nfs_fh *		fh;
	u64				cookie;
	nfs4_verifier			verifier;
	u32				count;
	struct page **			pages;	/* zero-copy data */
	unsigned int			pgbase;	/* zero-copy data */
	const u32 *			bitmask;
};

struct nfs4_readdir_res {
	nfs4_verifier			verifier;
	unsigned int			pgbase;
};

struct nfs4_readlink {
	const struct nfs_fh *		fh;
	unsigned int			pgbase;
	unsigned int			pglen;   /* zero-copy data */
	struct page **			pages;   /* zero-copy data */
};

struct nfs4_remove_arg {
	const struct nfs_fh *		fh;
	const struct qstr *		name;
};

struct nfs4_rename_arg {
	const struct nfs_fh *		old_dir;
	const struct nfs_fh *		new_dir;
	const struct qstr *		old_name;
	const struct qstr *		new_name;
	const u32 *			bitmask;
};

struct nfs4_rename_res {
	const struct nfs_server *	server;
	struct nfs4_change_info		old_cinfo;
	struct nfs_fattr *		old_fattr;
	struct nfs4_change_info		new_cinfo;
	struct nfs_fattr *		new_fattr;
};

struct nfs4_setclientid {
	const nfs4_verifier *		sc_verifier;      /* request */
	unsigned int			sc_name_len;
	char				sc_name[32];	  /* request */
	u32				sc_prog;          /* request */
	unsigned int			sc_netid_len;
	char				sc_netid[4];	  /* request */
	unsigned int			sc_uaddr_len;
	char				sc_uaddr[24];     /* request */
	u32				sc_cb_ident;      /* request */
};

struct nfs4_statfs_arg {
	const struct nfs_fh *		fh;
	const u32 *			bitmask;
};

struct nfs4_server_caps_res {
	u32				attr_bitmask[2];
	u32				acl_bitmask;
	u32				has_links;
	u32				has_symlinks;
};

#endif /* CONFIG_NFS_V4 */

struct nfs_page;

struct nfs_read_data {
	int			flags;
	struct rpc_task		task;
	struct inode		*inode;
	struct rpc_cred		*cred;
	struct nfs_fattr	fattr;	/* fattr storage */
	struct list_head	pages;	/* Coalesced read requests */
	struct nfs_page		*req;	/* multi ops per nfs_page */
	struct page		*pagevec[NFS_READ_MAXIOV];
	struct nfs_readargs args;
	struct nfs_readres  res;
#ifdef CONFIG_NFS_V4
	unsigned long		timestamp;	/* For lease renewal */
#endif
	void (*complete) (struct nfs_read_data *, int);
};

struct nfs_write_data {
	int			flags;
	struct rpc_task		task;
	struct inode		*inode;
	struct rpc_cred		*cred;
	struct nfs_fattr	fattr;
	struct nfs_writeverf	verf;
	struct list_head	pages;		/* Coalesced requests we wish to flush */
	struct nfs_page		*req;		/* multi ops per nfs_page */
	struct page		*pagevec[NFS_WRITE_MAXIOV];
	struct nfs_writeargs	args;		/* argument struct */
	struct nfs_writeres	res;		/* result struct */
#ifdef CONFIG_NFS_V4
	unsigned long		timestamp;	/* For lease renewal */
#endif
	void (*complete) (struct nfs_write_data *, int);
};

struct nfs_access_entry;

/*
 * RPC procedure vector for NFSv2/NFSv3 demuxing
 */
struct nfs_rpc_ops {
	int	version;		/* Protocol version */
	struct dentry_operations *dentry_ops;
	struct inode_operations *dir_inode_ops;
	struct inode_operations *file_inode_ops;

	int	(*getroot) (struct nfs_server *, struct nfs_fh *,
			    struct nfs_fsinfo *);
	int	(*getattr) (struct nfs_server *, struct nfs_fh *,
			    struct nfs_fattr *);
	int	(*setattr) (struct dentry *, struct nfs_fattr *,
			    struct iattr *);
	int	(*lookup)  (struct inode *, struct qstr *,
			    struct nfs_fh *, struct nfs_fattr *);
	int	(*access)  (struct inode *, struct nfs_access_entry *);
	int	(*readlink)(struct inode *, struct page *, unsigned int,
			    unsigned int);
	int	(*read)    (struct nfs_read_data *);
	int	(*write)   (struct nfs_write_data *);
	int	(*commit)  (struct nfs_write_data *);
	int	(*create)  (struct inode *, struct dentry *,
			    struct iattr *, int, struct nameidata *);
	int	(*remove)  (struct inode *, struct qstr *);
	int	(*unlink_setup)  (struct rpc_message *,
			    struct dentry *, struct qstr *);
	int	(*unlink_done) (struct dentry *, struct rpc_task *);
	int	(*rename)  (struct inode *, struct qstr *,
			    struct inode *, struct qstr *);
	int	(*link)    (struct inode *, struct inode *, struct qstr *);
	int	(*symlink) (struct inode *, struct qstr *, struct qstr *,
			    struct iattr *, struct nfs_fh *,
			    struct nfs_fattr *);
	int	(*mkdir)   (struct inode *, struct dentry *, struct iattr *);
	int	(*rmdir)   (struct inode *, struct qstr *);
	int	(*readdir) (struct dentry *, struct rpc_cred *,
			    u64, struct page *, unsigned int, int);
	int	(*mknod)   (struct inode *, struct dentry *, struct iattr *,
			    dev_t);
	int	(*statfs)  (struct nfs_server *, struct nfs_fh *,
			    struct nfs_fsstat *);
	int	(*fsinfo)  (struct nfs_server *, struct nfs_fh *,
			    struct nfs_fsinfo *);
	int	(*pathconf) (struct nfs_server *, struct nfs_fh *,
			     struct nfs_pathconf *);
	u32 *	(*decode_dirent)(u32 *, struct nfs_entry *, int plus);
	void	(*read_setup)   (struct nfs_read_data *);
	void	(*write_setup)  (struct nfs_write_data *, int how);
	void	(*commit_setup) (struct nfs_write_data *, int how);
	int	(*file_open)   (struct inode *, struct file *);
	int	(*file_release) (struct inode *, struct file *);
	int	(*lock)(struct file *, int, struct file_lock *);
	void	(*clear_acl_cache)(struct inode *);
};

/*
 * 	NFS_CALL(getattr, inode, (fattr));
 * into
 *	NFS_PROTO(inode)->getattr(fattr);
 */
#define NFS_CALL(op, inode, args)	NFS_PROTO(inode)->op args

/*
 * Function vectors etc. for the NFS client
 */
extern struct nfs_rpc_ops	nfs_v2_clientops;
extern struct nfs_rpc_ops	nfs_v3_clientops;
extern struct nfs_rpc_ops	nfs_v4_clientops;
extern struct rpc_version	nfs_version2;
extern struct rpc_version	nfs_version3;
extern struct rpc_version	nfs_version4;

extern struct rpc_version	nfsacl_version3;
extern struct rpc_program	nfsacl_program;

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINUX_NFS_XDR_H
	2	#define _LINUX_NFS_XDR_H
	3
	4	#include <linux/sunrpc/xprt.h>
b7fa0554	5	#include <linux/nfsacl.h>
1da177e4 LT	6
	7	struct nfs4_fsid {
	8	__u64 major;
	9	__u64 minor;
	10	};
	11
	12	struct nfs_fattr {
	13	unsigned short valid; /* which fields are valid */
	14	__u64 pre_size; /* pre_op_attr.size */
	15	struct timespec pre_mtime; /* pre_op_attr.mtime */
	16	struct timespec pre_ctime; /* pre_op_attr.ctime */
	17	enum nfs_ftype type; /* always use NFSv2 types */
	18	__u32 mode;
	19	__u32 nlink;
	20	__u32 uid;
	21	__u32 gid;
	22	__u64 size;
	23	union {
	24	struct {
	25	__u32 blocksize;
	26	__u32 blocks;
	27	} nfs2;
	28	struct {
	29	__u64 used;
	30	} nfs3;
	31	} du;
	32	dev_t rdev;
	33	union {
	34	__u64 nfs3; /* also nfs2 */
	35	struct nfs4_fsid nfs4;
	36	} fsid_u;
	37	__u64 fileid;
	38	struct timespec atime;
	39	struct timespec mtime;
	40	struct timespec ctime;
	41	__u32 bitmap[2]; /* NFSv4 returned attribute bitmap */
	42	__u64 change_attr; /* NFSv4 change attribute */
	43	__u64 pre_change_attr;/* pre-op NFSv4 change attribute */
33801147	44	unsigned long time_start;
1da177e4 LT	45	};
	46
	47	#define NFS_ATTR_WCC 0x0001 /* pre-op WCC data */
	48	#define NFS_ATTR_FATTR 0x0002 /* post-op attributes */
	49	#define NFS_ATTR_FATTR_V3 0x0004 /* NFSv3 attributes */
	50	#define NFS_ATTR_FATTR_V4 0x0008
	51	#define NFS_ATTR_PRE_CHANGE 0x0010
	52
	53	/*
	54	* Info on the file system
	55	*/
	56	struct nfs_fsinfo {
	57	struct nfs_fattr fattr; / Post-op attributes */
	58	__u32 rtmax; /* max. read transfer size */
	59	__u32 rtpref; /* pref. read transfer size */
	60	__u32 rtmult; /* reads should be multiple of this */
	61	__u32 wtmax; /* max. write transfer size */
	62	__u32 wtpref; /* pref. write transfer size */
	63	__u32 wtmult; /* writes should be multiple of this */
	64	__u32 dtpref; /* pref. readdir transfer size */
	65	__u64 maxfilesize;
	66	__u32 lease_time; /* in seconds */
	67	};
	68
	69	struct nfs_fsstat {
	70	struct nfs_fattr fattr; / Post-op attributes */
	71	__u64 tbytes; /* total size in bytes */
	72	__u64 fbytes; /* # of free bytes */
	73	__u64 abytes; /* # of bytes available to user */
	74	__u64 tfiles; /* # of files */
	75	__u64 ffiles; /* # of free files */
	76	__u64 afiles; /* # of files available to user */
	77	};
	78
	79	struct nfs2_fsstat {
	80	__u32 tsize; /* Server transfer size */
	81	__u32 bsize; /* Filesystem block size */
	82	__u32 blocks; /* No. of "bsize" blocks on filesystem */
	83	__u32 bfree; /* No. of free "bsize" blocks */
	84	__u32 bavail; /* No. of available "bsize" blocks */
	85	};
	86
	87	struct nfs_pathconf {
	88	struct nfs_fattr fattr; / Post-op attributes */
	89	__u32 max_link; /* max # of hard links */
	90	__u32 max_namelen; /* max name length */
	91	};
	92
	93	struct nfs4_change_info {
	94	u32 atomic;
	95	u64 before;
	96	u64 after;
	97	};
	98
cee54fc9	99	struct nfs_seqid;
1da177e4 LT	100	/*
	101	* Arguments to the open call.
	102	*/
	103	struct nfs_openargs {
	104	const struct nfs_fh * fh;
cee54fc9	105	struct nfs_seqid * seqid;
1da177e4 LT	106	int open_flags;
	107	__u64 clientid;
	108	__u32 id;
	109	union {
	110	struct iattr * attrs; /* UNCHECKED, GUARDED */
	111	nfs4_verifier verifier; /* EXCLUSIVE */
	112	nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
	113	int delegation_type; /* CLAIM_PREVIOUS */
	114	} u;
	115	const struct qstr * name;
	116	const struct nfs_server server; / Needed for ID mapping */
	117	const u32 * bitmask;
	118	__u32 claim;
	119	};
	120
	121	struct nfs_openres {
	122	nfs4_stateid stateid;
	123	struct nfs_fh fh;
	124	struct nfs4_change_info cinfo;
	125	__u32 rflags;
	126	struct nfs_fattr * f_attr;
56ae19f3	127	struct nfs_fattr * dir_attr;
1da177e4 LT	128	const struct nfs_server *server;
	129	int delegation_type;
	130	nfs4_stateid delegation;
	131	__u32 do_recall;
	132	__u64 maxsize;
	133	};
	134
	135	/*
	136	* Arguments to the open_confirm call.
	137	*/
	138	struct nfs_open_confirmargs {
	139	const struct nfs_fh * fh;
	140	nfs4_stateid stateid;
cee54fc9	141	struct nfs_seqid * seqid;
1da177e4 LT	142	};
	143
	144	struct nfs_open_confirmres {
	145	nfs4_stateid stateid;
	146	};
	147
	148	/*
	149	* Arguments to the close call.
	150	*/
	151	struct nfs_closeargs {
	152	struct nfs_fh * fh;
9512135d	153	nfs4_stateid * stateid;
cee54fc9	154	struct nfs_seqid * seqid;
1da177e4	155	int open_flags;
516a6af6	156	const u32 * bitmask;
1da177e4 LT	157	};
	158
	159	struct nfs_closeres {
	160	nfs4_stateid stateid;
516a6af6 TM	161	struct nfs_fattr * fattr;
516a6af6 TM	162	const struct nfs_server *server;
1da177e4 LT	163	};
	164	/*
	165	* * Arguments to the lock,lockt, and locku call.
	166	* */
	167	struct nfs_lowner {
	168	__u64 clientid;
	169	u32 id;
	170	};
	171
06735b34	172	struct nfs_lock_opargs {
cee54fc9	173	struct nfs_seqid * lock_seqid;
06735b34 TM	174	nfs4_stateid * lock_stateid;
	175	struct nfs_seqid * open_seqid;
	176	nfs4_stateid * open_stateid;
1da177e4	177	struct nfs_lowner lock_owner;
1da177e4 LT	178	__u32 reclaim;
1da177e4 LT	179	__u32 new_lock_owner;
1da177e4 LT	180	};
	181
	182	struct nfs_locku_opargs {
cee54fc9	183	struct nfs_seqid * seqid;
faf5f49c	184	nfs4_stateid * stateid;
1da177e4 LT	185	};
	186
	187	struct nfs_lockargs {
	188	struct nfs_fh * fh;
	189	__u32 type;
	190	__u64 offset;
	191	__u64 length;
	192	union {
	193	struct nfs_lock_opargs lock; / LOCK */
	194	struct nfs_lowner lockt; / LOCKT */
	195	struct nfs_locku_opargs locku; / LOCKU */
	196	} u;
	197	};
	198
	199	struct nfs_lock_denied {
	200	__u64 offset;
	201	__u64 length;
	202	__u32 type;
	203	struct nfs_lowner owner;
	204	};
	205
	206	struct nfs_lockres {
	207	union {
	208	nfs4_stateid stateid;/* LOCK success, LOCKU */
	209	struct nfs_lock_denied denied; /* LOCK failed, LOCKT success */
	210	} u;
	211	const struct nfs_server * server;
	212	};
	213
	214	struct nfs4_delegreturnargs {
	215	const struct nfs_fh *fhandle;
	216	const nfs4_stateid *stateid;
	217	};
	218
	219	/*
	220	* Arguments to the read call.
	221	*/
	222
	223	#define NFS_READ_MAXIOV (9U)
	224	#if (NFS_READ_MAXIOV > (MAX_IOVEC -2))
	225	#error "NFS_READ_MAXIOV is too large"
	226	#endif
	227
	228	struct nfs_readargs {
	229	struct nfs_fh * fh;
	230	struct nfs_open_context *context;
	231	__u64 offset;
	232	__u32 count;
	233	unsigned int pgbase;
	234	struct page ** pages;
	235	};
	236
	237	struct nfs_readres {
	238	struct nfs_fattr * fattr;
	239	__u32 count;
	240	int eof;
	241	};
	242
	243	/*
	244	* Arguments to the write call.
	245	*/
	246	#define NFS_WRITE_MAXIOV (9U)
	247	#if (NFS_WRITE_MAXIOV > (MAX_IOVEC -2))
	248	#error "NFS_WRITE_MAXIOV is too large"
249	#endif
250
251	struct nfs_writeargs {
252	struct nfs_fh * fh;
253	struct nfs_open_context *context;
254	__u64 offset;
255	__u32 count;
256	enum nfs3_stable_how stable;
257	unsigned int pgbase;
258	struct page ** pages;
259	};
260
261	struct nfs_writeverf {
262	enum nfs3_stable_how committed;
263	__u32 verifier[2];
264	};
265
266	struct nfs_writeres {
267	struct nfs_fattr * fattr;
268	struct nfs_writeverf * verf;
269	__u32 count;
270	};
271
272	/*
273	* Argument struct for decode_entry function
274	*/
275	struct nfs_entry {
276	__u64 ino;
277	__u64 cookie,
278	prev_cookie;
279	const char * name;
280	unsigned int len;
281	int eof;
282	struct nfs_fh * fh;
283	struct nfs_fattr * fattr;
284	};
285
286	/*
287	* The following types are for NFSv2 only.
288	*/
289	struct nfs_sattrargs {
290	struct nfs_fh * fh;
291	struct iattr * sattr;
292	};
293
294	struct nfs_diropargs {
295	struct nfs_fh * fh;
296	const char * name;
297	unsigned int len;
298	};
299
300	struct nfs_createargs {
301	struct nfs_fh * fh;
302	const char * name;
303	unsigned int len;
304	struct iattr * sattr;
305	};
306
307	struct nfs_renameargs {
308	struct nfs_fh * fromfh;
309	const char * fromname;
310	unsigned int fromlen;
311	struct nfs_fh * tofh;
312	const char * toname;
313	unsigned int tolen;
314	};
315
316	struct nfs_setattrargs {
317	struct nfs_fh * fh;
318	nfs4_stateid stateid;
319	struct iattr * iap;
320	const struct nfs_server * server; /* Needed for name mapping */
321	const u32 * bitmask;
322	};
323
23ec6965 BF	324	struct nfs_setaclargs {
	325	struct nfs_fh * fh;
	326	size_t acl_len;
	327	unsigned int acl_pgbase;
	328	struct page ** acl_pages;
	329	};
	330
029d105e BF	331	struct nfs_getaclargs {
	332	struct nfs_fh * fh;
	333	size_t acl_len;
	334	unsigned int acl_pgbase;
	335	struct page ** acl_pages;
	336	};
	337
1da177e4 LT	338	struct nfs_setattrres {
	339	struct nfs_fattr * fattr;
	340	const struct nfs_server * server;
	341	};
	342
	343	struct nfs_linkargs {
	344	struct nfs_fh * fromfh;
	345	struct nfs_fh * tofh;
	346	const char * toname;
	347	unsigned int tolen;
	348	};
	349
	350	struct nfs_symlinkargs {
	351	struct nfs_fh * fromfh;
	352	const char * fromname;
	353	unsigned int fromlen;
	354	const char * topath;
	355	unsigned int tolen;
	356	struct iattr * sattr;
	357	};
	358
	359	struct nfs_readdirargs {
	360	struct nfs_fh * fh;
	361	__u32 cookie;
	362	unsigned int count;
	363	struct page ** pages;
	364	};
	365
b7fa0554 AG	366	struct nfs3_getaclargs {
	367	struct nfs_fh * fh;
	368	int mask;
	369	struct page ** pages;
	370	};
	371
	372	struct nfs3_setaclargs {
	373	struct inode * inode;
	374	int mask;
	375	struct posix_acl * acl_access;
	376	struct posix_acl * acl_default;
	377	struct page ** pages;
	378	};
	379
1da177e4 LT	380	struct nfs_diropok {
	381	struct nfs_fh * fh;
	382	struct nfs_fattr * fattr;
	383	};
	384
	385	struct nfs_readlinkargs {
	386	struct nfs_fh * fh;
	387	unsigned int pgbase;
	388	unsigned int pglen;
	389	struct page ** pages;
	390	};
	391
	392	struct nfs3_sattrargs {
	393	struct nfs_fh * fh;
	394	struct iattr * sattr;
	395	unsigned int guard;
	396	struct timespec guardtime;
	397	};
	398
	399	struct nfs3_diropargs {
	400	struct nfs_fh * fh;
	401	const char * name;
	402	unsigned int len;
	403	};
	404
	405	struct nfs3_accessargs {
	406	struct nfs_fh * fh;
	407	__u32 access;
	408	};
	409
	410	struct nfs3_createargs {
	411	struct nfs_fh * fh;
	412	const char * name;
	413	unsigned int len;
	414	struct iattr * sattr;
	415	enum nfs3_createmode createmode;
	416	__u32 verifier[2];
	417	};
	418
	419	struct nfs3_mkdirargs {
	420	struct nfs_fh * fh;
	421	const char * name;
	422	unsigned int len;
	423	struct iattr * sattr;
	424	};
	425
	426	struct nfs3_symlinkargs {
	427	struct nfs_fh * fromfh;
	428	const char * fromname;
	429	unsigned int fromlen;
	430	const char * topath;
	431	unsigned int tolen;
	432	struct iattr * sattr;
	433	};
	434
	435	struct nfs3_mknodargs {
	436	struct nfs_fh * fh;
	437	const char * name;
	438	unsigned int len;
	439	enum nfs3_ftype type;
	440	struct iattr * sattr;
	441	dev_t rdev;
	442	};
	443
444	struct nfs3_renameargs {
445	struct nfs_fh * fromfh;
446	const char * fromname;
447	unsigned int fromlen;
448	struct nfs_fh * tofh;
449	const char * toname;
450	unsigned int tolen;
451	};
452
453	struct nfs3_linkargs {
454	struct nfs_fh * fromfh;
455	struct nfs_fh * tofh;
456	const char * toname;
457	unsigned int tolen;
458	};
459
460	struct nfs3_readdirargs {
461	struct nfs_fh * fh;
462	__u64 cookie;
463	__u32 verf[2];
464	int plus;
465	unsigned int count;
466	struct page ** pages;
467	};
468
469	struct nfs3_diropres {
470	struct nfs_fattr * dir_attr;
471	struct nfs_fh * fh;
472	struct nfs_fattr * fattr;
473	};
474
475	struct nfs3_accessres {
476	struct nfs_fattr * fattr;
477	__u32 access;
478	};
479
480	struct nfs3_readlinkargs {
481	struct nfs_fh * fh;
482	unsigned int pgbase;
483	unsigned int pglen;
484	struct page ** pages;
485	};
486
487	struct nfs3_renameres {
488	struct nfs_fattr * fromattr;
489	struct nfs_fattr * toattr;
490	};
491
492	struct nfs3_linkres {
493	struct nfs_fattr * dir_attr;
494	struct nfs_fattr * fattr;
495	};
496
497	struct nfs3_readdirres {
498	struct nfs_fattr * dir_attr;
499	__u32 * verf;
500	int plus;
501	};
502
b7fa0554 AG	503	struct nfs3_getaclres {
	504	struct nfs_fattr * fattr;
	505	int mask;
	506	unsigned int acl_access_count;
	507	unsigned int acl_default_count;
	508	struct posix_acl * acl_access;
	509	struct posix_acl * acl_default;
	510	};
	511
1da177e4 LT	512	#ifdef CONFIG_NFS_V4
	513
	514	typedef u64 clientid4;
	515
	516	struct nfs4_accessargs {
	517	const struct nfs_fh * fh;
	518	u32 access;
	519	};
	520
	521	struct nfs4_accessres {
	522	u32 supported;
	523	u32 access;
	524	};
	525
	526	struct nfs4_create_arg {
	527	u32 ftype;
	528	union {
	529	struct qstr * symlink; /* NF4LNK */
	530	struct {
	531	u32 specdata1;
	532	u32 specdata2;
	533	} device; /* NF4BLK, NF4CHR */
	534	} u;
	535	const struct qstr * name;
	536	const struct nfs_server * server;
	537	const struct iattr * attrs;
	538	const struct nfs_fh * dir_fh;
	539	const u32 * bitmask;
	540	};
	541
	542	struct nfs4_create_res {
	543	const struct nfs_server * server;
	544	struct nfs_fh * fh;
	545	struct nfs_fattr * fattr;
	546	struct nfs4_change_info dir_cinfo;
56ae19f3	547	struct nfs_fattr * dir_fattr;
1da177e4 LT	548	};
	549
	550	struct nfs4_fsinfo_arg {
	551	const struct nfs_fh * fh;
	552	const u32 * bitmask;
	553	};
	554
	555	struct nfs4_getattr_arg {
	556	const struct nfs_fh * fh;
	557	const u32 * bitmask;
	558	};
	559
	560	struct nfs4_getattr_res {
	561	const struct nfs_server * server;
	562	struct nfs_fattr * fattr;
	563	};
	564
	565	struct nfs4_link_arg {
	566	const struct nfs_fh * fh;
	567	const struct nfs_fh * dir_fh;
	568	const struct qstr * name;
91ba2eee TM	569	const u32 * bitmask;
	570	};
	571
	572	struct nfs4_link_res {
	573	const struct nfs_server * server;
	574	struct nfs_fattr * fattr;
	575	struct nfs4_change_info cinfo;
	576	struct nfs_fattr * dir_attr;
1da177e4 LT	577	};
1da177e4 LT	578
91ba2eee	579
1da177e4 LT	580	struct nfs4_lookup_arg {
	581	const struct nfs_fh * dir_fh;
	582	const struct qstr * name;
	583	const u32 * bitmask;
	584	};
	585
	586	struct nfs4_lookup_res {
	587	const struct nfs_server * server;
	588	struct nfs_fattr * fattr;
	589	struct nfs_fh * fh;
	590	};
	591
	592	struct nfs4_lookup_root_arg {
	593	const u32 * bitmask;
	594	};
	595
	596	struct nfs4_pathconf_arg {
	597	const struct nfs_fh * fh;
	598	const u32 * bitmask;
	599	};
	600
	601	struct nfs4_readdir_arg {
	602	const struct nfs_fh * fh;
	603	u64 cookie;
	604	nfs4_verifier verifier;
	605	u32 count;
	606	struct page ** pages; /* zero-copy data */
	607	unsigned int pgbase; /* zero-copy data */
	608	const u32 * bitmask;
	609	};
	610
	611	struct nfs4_readdir_res {
	612	nfs4_verifier verifier;
	613	unsigned int pgbase;
	614	};
	615
	616	struct nfs4_readlink {
	617	const struct nfs_fh * fh;
	618	unsigned int pgbase;
	619	unsigned int pglen; /* zero-copy data */
	620	struct page ** pages; /* zero-copy data */
	621	};
	622
	623	struct nfs4_remove_arg {
	624	const struct nfs_fh * fh;
	625	const struct qstr * name;
	626	};
	627
	628	struct nfs4_rename_arg {
	629	const struct nfs_fh * old_dir;
	630	const struct nfs_fh * new_dir;
	631	const struct qstr * old_name;
	632	const struct qstr * new_name;
6caf2c82	633	const u32 * bitmask;
1da177e4 LT	634	};
	635
	636	struct nfs4_rename_res {
6caf2c82	637	const struct nfs_server * server;
1da177e4	638	struct nfs4_change_info old_cinfo;
6caf2c82	639	struct nfs_fattr * old_fattr;
1da177e4	640	struct nfs4_change_info new_cinfo;
6caf2c82	641	struct nfs_fattr * new_fattr;
1da177e4 LT	642	};
	643
	644	struct nfs4_setclientid {
	645	const nfs4_verifier * sc_verifier; /* request */
	646	unsigned int sc_name_len;
	647	char sc_name[32]; /* request */
	648	u32 sc_prog; /* request */
	649	unsigned int sc_netid_len;
	650	char sc_netid[4]; /* request */
	651	unsigned int sc_uaddr_len;
	652	char sc_uaddr[24]; /* request */
	653	u32 sc_cb_ident; /* request */
	654	};
	655
	656	struct nfs4_statfs_arg {
	657	const struct nfs_fh * fh;
	658	const u32 * bitmask;
	659	};
	660
	661	struct nfs4_server_caps_res {
	662	u32 attr_bitmask[2];
	663	u32 acl_bitmask;
	664	u32 has_links;
	665	u32 has_symlinks;
	666	};
	667
	668	#endif /* CONFIG_NFS_V4 */
	669
	670	struct nfs_page;
	671
	672	struct nfs_read_data {
	673	int flags;
	674	struct rpc_task task;
	675	struct inode *inode;
	676	struct rpc_cred *cred;
	677	struct nfs_fattr fattr; /* fattr storage */
	678	struct list_head pages; /* Coalesced read requests */
	679	struct nfs_page req; / multi ops per nfs_page */
	680	struct page *pagevec[NFS_READ_MAXIOV];
	681	struct nfs_readargs args;
	682	struct nfs_readres res;
	683	#ifdef CONFIG_NFS_V4
	684	unsigned long timestamp; /* For lease renewal */
	685	#endif
	686	void (complete) (struct nfs_read_data , int);
	687	};
	688
	689	struct nfs_write_data {
	690	int flags;
	691	struct rpc_task task;
	692	struct inode *inode;
	693	struct rpc_cred *cred;
	694	struct nfs_fattr fattr;
	695	struct nfs_writeverf verf;
	696	struct list_head pages; /* Coalesced requests we wish to flush */
	697	struct nfs_page req; / multi ops per nfs_page */
	698	struct page *pagevec[NFS_WRITE_MAXIOV];
	699	struct nfs_writeargs args; /* argument struct */
	700	struct nfs_writeres res; /* result struct */
	701	#ifdef CONFIG_NFS_V4
	702	unsigned long timestamp; /* For lease renewal */
	703	#endif
	704	void (complete) (struct nfs_write_data , int);
	705	};
706
707	struct nfs_access_entry;
708
709	/*
710	* RPC procedure vector for NFSv2/NFSv3 demuxing
711	*/
712	struct nfs_rpc_ops {
713	int version; /* Protocol version */
714	struct dentry_operations *dentry_ops;
715	struct inode_operations *dir_inode_ops;
92cfc62c	716	struct inode_operations *file_inode_ops;
1da177e4 LT	717
	718	int (getroot) (struct nfs_server , struct nfs_fh *,
	719	struct nfs_fsinfo *);
	720	int (getattr) (struct nfs_server , struct nfs_fh *,
	721	struct nfs_fattr *);
	722	int (setattr) (struct dentry , struct nfs_fattr *,
	723	struct iattr *);
	724	int (lookup) (struct inode , struct qstr *,
	725	struct nfs_fh , struct nfs_fattr );
	726	int (access) (struct inode , struct nfs_access_entry *);
	727	int (readlink)(struct inode , struct page *, unsigned int,
	728	unsigned int);
	729	int (read) (struct nfs_read_data );
	730	int (write) (struct nfs_write_data );
	731	int (commit) (struct nfs_write_data );
	732	int (create) (struct inode , struct dentry *,
02a913a7	733	struct iattr , int, struct nameidata );
1da177e4 LT	734	int (remove) (struct inode , struct qstr *);
	735	int (unlink_setup) (struct rpc_message ,
	736	struct dentry , struct qstr );
	737	int (unlink_done) (struct dentry , struct rpc_task *);
	738	int (rename) (struct inode , struct qstr *,
	739	struct inode , struct qstr );
	740	int (link) (struct inode , struct inode , struct qstr );
	741	int (symlink) (struct inode , struct qstr , struct qstr ,
	742	struct iattr , struct nfs_fh ,
	743	struct nfs_fattr *);
	744	int (mkdir) (struct inode , struct dentry , struct iattr );
	745	int (rmdir) (struct inode , struct qstr *);
	746	int (readdir) (struct dentry , struct rpc_cred *,
	747	u64, struct page *, unsigned int, int);
	748	int (mknod) (struct inode , struct dentry , struct iattr ,
	749	dev_t);
	750	int (statfs) (struct nfs_server , struct nfs_fh *,
	751	struct nfs_fsstat *);
	752	int (fsinfo) (struct nfs_server , struct nfs_fh *,
	753	struct nfs_fsinfo *);
	754	int (pathconf) (struct nfs_server , struct nfs_fh *,
	755	struct nfs_pathconf *);
	756	u32 * (decode_dirent)(u32 , struct nfs_entry *, int plus);
	757	void (read_setup) (struct nfs_read_data );
	758	void (write_setup) (struct nfs_write_data , int how);
	759	void (commit_setup) (struct nfs_write_data , int how);
	760	int (file_open) (struct inode , struct file *);
	761	int (file_release) (struct inode , struct file *);
	762	int (lock)(struct file , int, struct file_lock *);
ada70d94	763	void (clear_acl_cache)(struct inode );
1da177e4 LT	764	};
	765
	766	/*
	767	* NFS_CALL(getattr, inode, (fattr));
	768	* into
	769	* NFS_PROTO(inode)->getattr(fattr);
	770	*/
	771	#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
	772
	773	/*
	774	* Function vectors etc. for the NFS client
	775	*/
	776	extern struct nfs_rpc_ops nfs_v2_clientops;
	777	extern struct nfs_rpc_ops nfs_v3_clientops;
	778	extern struct nfs_rpc_ops nfs_v4_clientops;
	779	extern struct rpc_version nfs_version2;
	780	extern struct rpc_version nfs_version3;
	781	extern struct rpc_version nfs_version4;
	782
b7fa0554 AG	783	extern struct rpc_version nfsacl_version3;
	784	extern struct rpc_program nfsacl_program;
	785
1da177e4	786	#endif