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Diffstat (limited to 'include/linux/nfs_xdr.h')
| -rw-r--r-- | include/linux/nfs_xdr.h | 1077 |
1 files changed, 1077 insertions, 0 deletions
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h new file mode 100644 index 00000000000..89b28812ec2 --- /dev/null +++ b/include/linux/nfs_xdr.h @@ -0,0 +1,1077 @@ +#ifndef _LINUX_NFS_XDR_H +#define _LINUX_NFS_XDR_H + +#include <linux/nfsacl.h> +#include <linux/nfs3.h> + +/* + * To change the maximum rsize and wsize supported by the NFS client, adjust + * NFS_MAX_FILE_IO_SIZE. 64KB is a typical maximum, but some servers can + * support a megabyte or more. The default is left at 4096 bytes, which is + * reasonable for NFS over UDP. + */ +#define NFS_MAX_FILE_IO_SIZE (1048576U) +#define NFS_DEF_FILE_IO_SIZE (4096U) +#define NFS_MIN_FILE_IO_SIZE (1024U) + +struct nfs_fsid { + uint64_t major; + uint64_t minor; +}; + +/* + * Helper for checking equality between 2 fsids. + */ +static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b) +{ + return a->major == b->major && a->minor == b->minor; +} + +struct nfs_fattr { + unsigned int valid; /* which fields are valid */ + umode_t mode; + __u32 nlink; + __u32 uid; + __u32 gid; + dev_t rdev; + __u64 size; + union { + struct { + __u32 blocksize; + __u32 blocks; + } nfs2; + struct { + __u64 used; + } nfs3; + } du; + struct nfs_fsid fsid; + __u64 fileid; + struct timespec atime; + struct timespec mtime; + struct timespec ctime; + __u64 change_attr; /* NFSv4 change attribute */ + __u64 pre_change_attr;/* pre-op NFSv4 change attribute */ + __u64 pre_size; /* pre_op_attr.size */ + struct timespec pre_mtime; /* pre_op_attr.mtime */ + struct timespec pre_ctime; /* pre_op_attr.ctime */ + unsigned long time_start; + unsigned long gencount; +}; + +#define NFS_ATTR_FATTR_TYPE (1U << 0) +#define NFS_ATTR_FATTR_MODE (1U << 1) +#define NFS_ATTR_FATTR_NLINK (1U << 2) +#define NFS_ATTR_FATTR_OWNER (1U << 3) +#define NFS_ATTR_FATTR_GROUP (1U << 4) +#define NFS_ATTR_FATTR_RDEV (1U << 5) +#define NFS_ATTR_FATTR_SIZE (1U << 6) +#define NFS_ATTR_FATTR_PRESIZE (1U << 7) +#define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8) +#define NFS_ATTR_FATTR_SPACE_USED (1U << 9) +#define NFS_ATTR_FATTR_FSID (1U << 10) +#define NFS_ATTR_FATTR_FILEID (1U << 11) +#define NFS_ATTR_FATTR_ATIME (1U << 12) +#define NFS_ATTR_FATTR_MTIME (1U << 13) +#define NFS_ATTR_FATTR_CTIME (1U << 14) +#define NFS_ATTR_FATTR_PREMTIME (1U << 15) +#define NFS_ATTR_FATTR_PRECTIME (1U << 16) +#define NFS_ATTR_FATTR_CHANGE (1U << 17) +#define NFS_ATTR_FATTR_PRECHANGE (1U << 18) +#define NFS_ATTR_FATTR_V4_REFERRAL (1U << 19) /* NFSv4 referral */ + +#define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \ + | NFS_ATTR_FATTR_MODE \ + | NFS_ATTR_FATTR_NLINK \ + | NFS_ATTR_FATTR_OWNER \ + | NFS_ATTR_FATTR_GROUP \ + | NFS_ATTR_FATTR_RDEV \ + | NFS_ATTR_FATTR_SIZE \ + | NFS_ATTR_FATTR_FSID \ + | NFS_ATTR_FATTR_FILEID \ + | NFS_ATTR_FATTR_ATIME \ + | NFS_ATTR_FATTR_MTIME \ + | NFS_ATTR_FATTR_CTIME) +#define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \ + | NFS_ATTR_FATTR_BLOCKS_USED) +#define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \ + | NFS_ATTR_FATTR_SPACE_USED) +#define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \ + | NFS_ATTR_FATTR_SPACE_USED \ + | NFS_ATTR_FATTR_CHANGE) + +/* + * 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; + +/* nfs41 sessions channel attributes */ +struct nfs4_channel_attrs { + u32 headerpadsz; + u32 max_rqst_sz; + u32 max_resp_sz; + u32 max_resp_sz_cached; + u32 max_ops; + u32 max_reqs; +}; + +/* nfs41 sessions slot seqid */ +struct nfs4_slot { + u32 seq_nr; +}; + +struct nfs4_sequence_args { + struct nfs4_session *sa_session; + u8 sa_slotid; + u8 sa_cache_this; +}; + +struct nfs4_sequence_res { + struct nfs4_session *sr_session; + u8 sr_slotid; /* slot used to send request */ + int sr_status; /* sequence operation status */ + unsigned long sr_renewal_time; + u32 sr_status_flags; +}; + +struct nfs4_get_lease_time_args { + struct nfs4_sequence_args la_seq_args; +}; + +struct nfs4_get_lease_time_res { + struct nfs_fsinfo *lr_fsinfo; + struct nfs4_sequence_res lr_seq_res; +}; + +/* + * Arguments to the open call. + */ +struct nfs_openargs { + const struct nfs_fh * fh; + struct nfs_seqid * seqid; + int open_flags; + fmode_t fmode; + __u64 clientid; + __u64 id; + union { + struct iattr * attrs; /* UNCHECKED, GUARDED */ + nfs4_verifier verifier; /* EXCLUSIVE */ + nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */ + fmode_t delegation_type; /* CLAIM_PREVIOUS */ + } u; + const struct qstr * name; + const struct nfs_server *server; /* Needed for ID mapping */ + const u32 * bitmask; + __u32 claim; + struct nfs4_sequence_args seq_args; +}; + +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; + struct nfs_seqid * seqid; + const struct nfs_server *server; + fmode_t delegation_type; + nfs4_stateid delegation; + __u32 do_recall; + __u64 maxsize; + __u32 attrset[NFS4_BITMAP_SIZE]; + struct nfs4_sequence_res seq_res; +}; + +/* + * 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; + struct nfs_seqid * seqid; +}; + +/* + * Arguments to the close call. + */ +struct nfs_closeargs { + struct nfs_fh * fh; + nfs4_stateid * stateid; + struct nfs_seqid * seqid; + fmode_t fmode; + const u32 * bitmask; + struct nfs4_sequence_args seq_args; +}; + +struct nfs_closeres { + nfs4_stateid stateid; + struct nfs_fattr * fattr; + struct nfs_seqid * seqid; + const struct nfs_server *server; + struct nfs4_sequence_res seq_res; +}; +/* + * * Arguments to the lock,lockt, and locku call. + * */ +struct nfs_lowner { + __u64 clientid; + __u64 id; +}; + +struct nfs_lock_args { + struct nfs_fh * fh; + struct file_lock * fl; + struct nfs_seqid * lock_seqid; + nfs4_stateid * lock_stateid; + struct nfs_seqid * open_seqid; + nfs4_stateid * open_stateid; + struct nfs_lowner lock_owner; + unsigned char block : 1; + unsigned char reclaim : 1; + unsigned char new_lock_owner : 1; + struct nfs4_sequence_args seq_args; +}; + +struct nfs_lock_res { + nfs4_stateid stateid; + struct nfs_seqid * lock_seqid; + struct nfs_seqid * open_seqid; + struct nfs4_sequence_res seq_res; +}; + +struct nfs_locku_args { + struct nfs_fh * fh; + struct file_lock * fl; + struct nfs_seqid * seqid; + nfs4_stateid * stateid; + struct nfs4_sequence_args seq_args; +}; + +struct nfs_locku_res { + nfs4_stateid stateid; + struct nfs_seqid * seqid; + struct nfs4_sequence_res seq_res; +}; + +struct nfs_lockt_args { + struct nfs_fh * fh; + struct file_lock * fl; + struct nfs_lowner lock_owner; + struct nfs4_sequence_args seq_args; +}; + +struct nfs_lockt_res { + struct file_lock * denied; /* LOCK, LOCKT failed */ + struct nfs4_sequence_res seq_res; +}; + +struct nfs4_delegreturnargs { + const struct nfs_fh *fhandle; + const nfs4_stateid *stateid; + const u32 * bitmask; + struct nfs4_sequence_args seq_args; +}; + +struct nfs4_delegreturnres { + struct nfs_fattr * fattr; + const struct nfs_server *server; + struct nfs4_sequence_res seq_res; +}; + +/* + * Arguments to the read call. + */ +struct nfs_readargs { + struct nfs_fh * fh; + struct nfs_open_context *context; + __u64 offset; + __u32 count; + unsigned int pgbase; + struct page ** pages; + struct nfs4_sequence_args seq_args; +}; + +struct nfs_readres { + struct nfs_fattr * fattr; + __u32 count; + int eof; + struct nfs4_sequence_res seq_res; +}; + +/* + * Arguments to the write call. + */ +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; + const u32 * bitmask; + struct nfs4_sequence_args seq_args; +}; + +struct nfs_writeverf { + enum nfs3_stable_how committed; + __be32 verifier[2]; +}; + +struct nfs_writeres { + struct nfs_fattr * fattr; + struct nfs_writeverf * verf; + __u32 count; + const struct nfs_server *server; + struct nfs4_sequence_res seq_res; +}; + +/* + * Common arguments to the unlink call + */ +struct nfs_removeargs { + const struct nfs_fh *fh; + struct qstr name; + const u32 * bitmask; + struct nfs4_sequence_args seq_args; +}; + +struct nfs_removeres { + const struct nfs_server *server; + struct nfs4_change_info cinfo; + struct nfs_fattr dir_attr; + struct nfs4_sequence_res seq_res; +}; + +/* + * 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 nfs4_sequence_args seq_args; +}; + +struct nfs_setaclargs { + struct nfs_fh * fh; + size_t acl_len; + unsigned int acl_pgbase; + struct page ** acl_pages; + struct nfs4_sequence_args seq_args; +}; + +struct nfs_setaclres { + struct nfs4_sequence_res seq_res; +}; + +struct nfs_getaclargs { + struct nfs_fh * fh; + size_t acl_len; + unsigned int acl_pgbase; + struct page ** acl_pages; + struct nfs4_sequence_args seq_args; +}; + +struct nfs_getaclres { + size_t acl_len; + struct nfs4_sequence_res seq_res; +}; + +struct nfs_setattrres { + struct nfs_fattr * fattr; + const struct nfs_server * server; + struct nfs4_sequence_res seq_res; +}; + +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; + struct page ** pages; + unsigned int pathlen; + 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; + size_t len; + unsigned int npages; + 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; + __be32 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; + struct page ** pages; + unsigned int pathlen; + 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; + __be32 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; + __be32 * 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; + const u32 * bitmask; + u32 access; + struct nfs4_sequence_args seq_args; +}; + +struct nfs4_accessres { + const struct nfs_server * server; + struct nfs_fattr * fattr; + u32 supported; + u32 access; + struct nfs4_sequence_res seq_res; +}; + +struct nfs4_create_arg { + u32 ftype; + union { + struct { + struct page ** pages; + unsigned int len; + } 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_sequence_args seq_args; +}; + +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_sequence_res seq_res; +}; + +struct nfs4_fsinfo_arg { + const struct nfs_fh * fh; + const u32 * bitmask; + struct nfs4_sequence_args seq_args; +}; + +struct nfs4_fsinfo_res { + struct nfs_fsinfo *fsinfo; + struct nfs4_sequence_res seq_res; +}; + +struct nfs4_getattr_arg { + const struct nfs_fh * fh; + const u32 * bitmask; + struct nfs4_sequence_args seq_args; +}; + +struct nfs4_getattr_res { + const struct nfs_server * server; + struct nfs_fattr * fattr; + struct nfs4_sequence_res seq_res; +}; + +struct nfs4_link_arg { + const struct nfs_fh * fh; + const struct nfs_fh * dir_fh; + const struct qstr * name; + const u32 * bitmask; + struct nfs4_sequence_args seq_args; +}; + +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_sequence_res seq_res; +}; + + +struct nfs4_lookup_arg { + const struct nfs_fh * dir_fh; + const struct qstr * name; + const u32 * bitmask; + struct nfs4_sequence_args seq_args; +}; + +struct nfs4_lookup_res { + const struct nfs_server * server; + struct nfs_fattr * fattr; + struct nfs_fh * fh; + struct nfs4_sequence_res seq_res; +}; + +struct nfs4_lookup_root_arg { + const u32 * bitmask; + struct nfs4_sequence_args seq_args; +}; + +struct nfs4_pathconf_arg { + const struct nfs_fh * fh; + const u32 * bitmask; + struct nfs4_sequence_args seq_args; +}; + +struct nfs4_pathconf_res { + struct nfs_pathconf *pathconf; + struct nfs4_sequence_res seq_res; +}; + +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_sequence_args seq_args; +}; + +struct nfs4_readdir_res { + nfs4_verifier verifier; + unsigned int pgbase; + struct nfs4_sequence_res seq_res; +}; + +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_sequence_args seq_args; +}; + +struct nfs4_readlink_res { + struct nfs4_sequence_res seq_res; +}; + +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_sequence_args seq_args; +}; + +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_sequence_res seq_res; +}; + +#define NFS4_SETCLIENTID_NAMELEN (127) +struct nfs4_setclientid { + const nfs4_verifier * sc_verifier; + unsigned int sc_name_len; + char sc_name[NFS4_SETCLIENTID_NAMELEN + 1]; + u32 sc_prog; + unsigned int sc_netid_len; + char sc_netid[RPCBIND_MAXNETIDLEN + 1]; + unsigned int sc_uaddr_len; + char sc_uaddr[RPCBIND_MAXUADDRLEN + 1]; + u32 sc_cb_ident; +}; + +struct nfs4_statfs_arg { + const struct nfs_fh * fh; + const u32 * bitmask; + struct nfs4_sequence_args seq_args; +}; + +struct nfs4_statfs_res { + struct nfs_fsstat *fsstat; + struct nfs4_sequence_res seq_res; +}; + +struct nfs4_server_caps_arg { + struct nfs_fh *fhandle; + struct nfs4_sequence_args seq_args; +}; + +struct nfs4_server_caps_res { + u32 attr_bitmask[2]; + u32 acl_bitmask; + u32 has_links; + u32 has_symlinks; + struct nfs4_sequence_res seq_res; +}; + +struct nfs4_string { + unsigned int len; + char *data; +}; + +#define NFS4_PATHNAME_MAXCOMPONENTS 512 +struct nfs4_pathname { + unsigned int ncomponents; + struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS]; +}; + +#define NFS4_FS_LOCATION_MAXSERVERS 10 +struct nfs4_fs_location { + unsigned int nservers; + struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS]; + struct nfs4_pathname rootpath; +}; + +#define NFS4_FS_LOCATIONS_MAXENTRIES 10 +struct nfs4_fs_locations { + struct nfs_fattr fattr; + const struct nfs_server *server; + struct nfs4_pathname fs_path; + int nlocations; + struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES]; +}; + +struct nfs4_fs_locations_arg { + const struct nfs_fh *dir_fh; + const struct qstr *name; + struct page *page; + const u32 *bitmask; + struct nfs4_sequence_args seq_args; +}; + +struct nfs4_fs_locations_res { + struct nfs4_fs_locations *fs_locations; + struct nfs4_sequence_res seq_res; +}; + +#endif /* CONFIG_NFS_V4 */ + +struct nfstime4 { + u64 seconds; + u32 nseconds; +}; + +#ifdef CONFIG_NFS_V4_1 +struct nfs_impl_id4 { + u32 domain_len; + char *domain; + u32 name_len; + char *name; + struct nfstime4 date; +}; + +#define NFS4_EXCHANGE_ID_LEN (48) +struct nfs41_exchange_id_args { + struct nfs_client *client; + nfs4_verifier *verifier; + unsigned int id_len; + char id[NFS4_EXCHANGE_ID_LEN]; + u32 flags; +}; + +struct server_owner { + uint64_t minor_id; + uint32_t major_id_sz; + char major_id[NFS4_OPAQUE_LIMIT]; +}; + +struct server_scope { + uint32_t server_scope_sz; + char server_scope[NFS4_OPAQUE_LIMIT]; +}; + +struct nfs41_exchange_id_res { + struct nfs_client *client; + u32 flags; +}; + +struct nfs41_create_session_args { + struct nfs_client *client; + uint32_t flags; + uint32_t cb_program; + struct nfs4_channel_attrs fc_attrs; /* Fore Channel */ + struct nfs4_channel_attrs bc_attrs; /* Back Channel */ +}; + +struct nfs41_create_session_res { + struct nfs_client *client; +}; + +struct nfs41_reclaim_complete_args { + /* In the future extend to include curr_fh for use with migration */ + unsigned char one_fs:1; + struct nfs4_sequence_args seq_args; +}; + +struct nfs41_reclaim_complete_res { + struct nfs4_sequence_res seq_res; +}; +#endif /* CONFIG_NFS_V4_1 */ + +struct nfs_page; + +#define NFS_PAGEVEC_SIZE (8U) + +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; + unsigned int npages; /* Max length of pagevec */ + struct nfs_readargs args; + struct nfs_readres res; +#ifdef CONFIG_NFS_V4 + unsigned long timestamp; /* For lease renewal */ +#endif + struct page *page_array[NFS_PAGEVEC_SIZE]; +}; + +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; + unsigned int npages; /* Max length of pagevec */ + struct nfs_writeargs args; /* argument struct */ + struct nfs_writeres res; /* result struct */ +#ifdef CONFIG_NFS_V4 + unsigned long timestamp; /* For lease renewal */ +#endif + struct page *page_array[NFS_PAGEVEC_SIZE]; +}; + +struct nfs_access_entry; + +/* + * RPC procedure vector for NFSv2/NFSv3 demuxing + */ +struct nfs_rpc_ops { + u32 version; /* Protocol version */ + const struct dentry_operations *dentry_ops; + const struct inode_operations *dir_inode_ops; + const struct inode_operations *file_inode_ops; + + int (*getroot) (struct nfs_server *, struct nfs_fh *, + struct nfs_fsinfo *); + int (*lookupfh)(struct nfs_server *, struct nfs_fh *, + struct qstr *, struct nfs_fh *, + struct nfs_fattr *); + 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 (*create) (struct inode *, struct dentry *, + struct iattr *, int, struct nameidata *); + int (*remove) (struct inode *, struct qstr *); + void (*unlink_setup) (struct rpc_message *, struct inode *dir); + int (*unlink_done) (struct rpc_task *, struct inode *); + int (*rename) (struct inode *, struct qstr *, + struct inode *, struct qstr *); + int (*link) (struct inode *, struct inode *, struct qstr *); + int (*symlink) (struct inode *, struct dentry *, struct page *, + unsigned int, struct iattr *); + 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 *); + int (*set_capabilities)(struct nfs_server *, struct nfs_fh *); + __be32 *(*decode_dirent)(__be32 *, struct nfs_entry *, int plus); + void (*read_setup) (struct nfs_read_data *, struct rpc_message *); + int (*read_done) (struct rpc_task *, struct nfs_read_data *); + void (*write_setup) (struct nfs_write_data *, struct rpc_message *); + int (*write_done) (struct rpc_task *, struct nfs_write_data *); + void (*commit_setup) (struct nfs_write_data *, struct rpc_message *); + int (*commit_done) (struct rpc_task *, struct nfs_write_data *); + int (*lock)(struct file *, int, struct file_lock *); + int (*lock_check_bounds)(const struct file_lock *); + void (*clear_acl_cache)(struct inode *); + void (*close_context)(struct nfs_open_context *ctx, int); +}; + +/* + * 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 const struct nfs_rpc_ops nfs_v2_clientops; +extern const struct nfs_rpc_ops nfs_v3_clientops; +extern const 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 |