nfs_xdr.h
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上传日期:2009-04-28
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文件大小:17k
- #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 timestamp;
- };
- #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;
- };
- /*
- * Arguments to the open call.
- */
- struct nfs_openargs {
- const struct nfs_fh * fh;
- __u32 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;
- 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;
- __u32 seqid;
- };
- struct nfs_open_confirmres {
- nfs4_stateid stateid;
- };
- /*
- * Arguments to the close call.
- */
- struct nfs_closeargs {
- struct nfs_fh * fh;
- nfs4_stateid stateid;
- __u32 seqid;
- int open_flags;
- };
- struct nfs_closeres {
- nfs4_stateid stateid;
- };
- /*
- * * Arguments to the lock,lockt, and locku call.
- * */
- struct nfs_lowner {
- __u64 clientid;
- u32 id;
- };
- struct nfs_open_to_lock {
- __u32 open_seqid;
- nfs4_stateid open_stateid;
- __u32 lock_seqid;
- struct nfs_lowner lock_owner;
- };
- struct nfs_exist_lock {
- nfs4_stateid stateid;
- __u32 seqid;
- };
- struct nfs_lock_opargs {
- __u32 reclaim;
- __u32 new_lock_owner;
- union {
- struct nfs_open_to_lock *open_lock;
- struct nfs_exist_lock *exist_lock;
- } u;
- };
- struct nfs_locku_opargs {
- __u32 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 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;
- };
- 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;
- };
- struct nfs4_rename_res {
- struct nfs4_change_info old_cinfo;
- struct nfs4_change_info new_cinfo;
- };
- 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);
- 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