| #ifndef _LINUX_NFS_XDR_H |
| #define _LINUX_NFS_XDR_H |
| |
| #include <linux/nfsacl.h> |
| #include <linux/sunrpc/gss_api.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) |
| |
| /* Forward declaration for NFS v3 */ |
| struct nfs4_secinfo_flavors; |
| |
| struct nfs4_string { |
| unsigned int len; |
| char *data; |
| }; |
| |
| 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; |
| __u64 mounted_on_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; |
| struct nfs4_string *owner_name; |
| struct nfs4_string *group_name; |
| }; |
| |
| #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_LOCATIONS (1U << 19) |
| #define NFS_ATTR_FATTR_V4_REFERRAL (1U << 20) |
| #define NFS_ATTR_FATTR_MOUNTPOINT (1U << 21) |
| #define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22) |
| #define NFS_ATTR_FATTR_OWNER_NAME (1U << 23) |
| #define NFS_ATTR_FATTR_GROUP_NAME (1U << 24) |
| |
| #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; |
| struct timespec time_delta; /* server time granularity */ |
| __u32 lease_time; /* in seconds */ |
| __u32 layouttype; /* supported pnfs layout driver */ |
| __u32 blksize; /* preferred pnfs io block size */ |
| }; |
| |
| 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 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; |
| u32 sa_slotid; |
| u8 sa_cache_this; |
| }; |
| |
| struct nfs4_sequence_res { |
| struct nfs4_session *sr_session; |
| struct nfs4_slot *sr_slot; /* 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; |
| }; |
| |
| #define PNFS_LAYOUT_MAXSIZE 4096 |
| |
| struct nfs4_layoutdriver_data { |
| struct page **pages; |
| __u32 pglen; |
| __u32 len; |
| }; |
| |
| struct pnfs_layout_range { |
| u32 iomode; |
| u64 offset; |
| u64 length; |
| }; |
| |
| struct nfs4_layoutget_args { |
| __u32 type; |
| struct pnfs_layout_range range; |
| __u64 minlength; |
| __u32 maxcount; |
| struct inode *inode; |
| struct nfs_open_context *ctx; |
| struct nfs4_sequence_args seq_args; |
| nfs4_stateid stateid; |
| struct nfs4_layoutdriver_data layout; |
| }; |
| |
| struct nfs4_layoutget_res { |
| __u32 return_on_close; |
| struct pnfs_layout_range range; |
| __u32 type; |
| nfs4_stateid stateid; |
| struct nfs4_sequence_res seq_res; |
| struct nfs4_layoutdriver_data *layoutp; |
| }; |
| |
| struct nfs4_layoutget { |
| struct nfs4_layoutget_args args; |
| struct nfs4_layoutget_res res; |
| struct pnfs_layout_segment **lsegpp; |
| gfp_t gfp_flags; |
| }; |
| |
| struct nfs4_getdevicelist_args { |
| const struct nfs_fh *fh; |
| u32 layoutclass; |
| struct nfs4_sequence_args seq_args; |
| }; |
| |
| struct nfs4_getdevicelist_res { |
| struct pnfs_devicelist *devlist; |
| struct nfs4_sequence_res seq_res; |
| }; |
| |
| struct nfs4_getdeviceinfo_args { |
| struct pnfs_device *pdev; |
| struct nfs4_sequence_args seq_args; |
| }; |
| |
| struct nfs4_getdeviceinfo_res { |
| struct pnfs_device *pdev; |
| struct nfs4_sequence_res seq_res; |
| }; |
| |
| struct nfs4_layoutcommit_args { |
| nfs4_stateid stateid; |
| __u64 lastbytewritten; |
| struct inode *inode; |
| const u32 *bitmask; |
| struct nfs4_sequence_args seq_args; |
| }; |
| |
| struct nfs4_layoutcommit_res { |
| struct nfs_fattr *fattr; |
| const struct nfs_server *server; |
| struct nfs4_sequence_res seq_res; |
| int status; |
| }; |
| |
| struct nfs4_layoutcommit_data { |
| struct rpc_task task; |
| struct nfs_fattr fattr; |
| struct list_head lseg_list; |
| struct rpc_cred *cred; |
| struct nfs4_layoutcommit_args args; |
| struct nfs4_layoutcommit_res res; |
| }; |
| |
| struct nfs4_layoutreturn_args { |
| struct pnfs_layout_hdr *layout; |
| struct inode *inode; |
| nfs4_stateid stateid; |
| __u32 layout_type; |
| struct nfs4_sequence_args seq_args; |
| }; |
| |
| struct nfs4_layoutreturn_res { |
| struct nfs4_sequence_res seq_res; |
| u32 lrs_present; |
| nfs4_stateid stateid; |
| }; |
| |
| struct nfs4_layoutreturn { |
| struct nfs4_layoutreturn_args args; |
| struct nfs4_layoutreturn_res res; |
| struct rpc_cred *cred; |
| struct nfs_client *clp; |
| int rpc_status; |
| }; |
| |
| struct stateowner_id { |
| __u64 create_time; |
| __u32 uniquifier; |
| }; |
| |
| /* |
| * 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; |
| struct stateowner_id id; |
| union { |
| struct { |
| 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; |
| const u32 * dir_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_string *owner; |
| struct nfs4_string *group_owner; |
| 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; |
| dev_t s_dev; |
| }; |
| |
| 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 nfs_release_lockowner_args { |
| struct nfs_lowner lock_owner; |
| }; |
| |
| 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; |
| struct nfs_lock_context *lock_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; |
| struct nfs_lock_context *lock_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; |
| }; |
| |
| /* |
| * Arguments to the commit call. |
| */ |
| struct nfs_commitargs { |
| struct nfs_fh *fh; |
| __u64 offset; |
| __u32 count; |
| const u32 *bitmask; |
| struct nfs4_sequence_args seq_args; |
| }; |
| |
| struct nfs_commitres { |
| struct nfs_fattr *fattr; |
| struct nfs_writeverf *verf; |
| 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 nfs_fattr *dir_attr; |
| struct nfs4_change_info cinfo; |
| struct nfs4_sequence_res seq_res; |
| }; |
| |
| /* |
| * Common arguments to the rename call |
| */ |
| struct nfs_renameargs { |
| 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 nfs_renameres { |
| 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; |
| }; |
| |
| /* |
| * 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; |
| unsigned char d_type; |
| struct nfs_server * server; |
| }; |
| |
| /* |
| * 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_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; |
| }; |
| |
| /* getxattr ACL interface flags */ |
| #define NFS4_ACL_LEN_REQUEST 0x0001 /* zero length getxattr buffer */ |
| struct nfs_getaclres { |
| size_t acl_len; |
| size_t acl_data_offset; |
| int acl_flags; |
| struct page * acl_scratch; |
| 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_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_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; |
| int plus; |
| 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; |
| }; |
| |
| #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_setclientid_res { |
| u64 clientid; |
| nfs4_verifier confirm; |
| }; |
| |
| 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[3]; |
| u32 acl_bitmask; |
| u32 has_links; |
| u32 has_symlinks; |
| u32 fh_expire_type; |
| struct nfs4_sequence_res seq_res; |
| }; |
| |
| #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; |
| }; |
| |
| struct nfs4_secinfo_oid { |
| unsigned int len; |
| char data[GSS_OID_MAX_LEN]; |
| }; |
| |
| struct nfs4_secinfo_gss { |
| struct nfs4_secinfo_oid sec_oid4; |
| unsigned int qop4; |
| unsigned int service; |
| }; |
| |
| struct nfs4_secinfo_flavor { |
| unsigned int flavor; |
| struct nfs4_secinfo_gss gss; |
| }; |
| |
| struct nfs4_secinfo_flavors { |
| unsigned int num_flavors; |
| struct nfs4_secinfo_flavor flavors[0]; |
| }; |
| |
| struct nfs4_secinfo_arg { |
| const struct nfs_fh *dir_fh; |
| const struct qstr *name; |
| struct nfs4_sequence_args seq_args; |
| }; |
| |
| struct nfs4_secinfo_res { |
| struct nfs4_secinfo_flavors *flavors; |
| struct nfs4_sequence_res seq_res; |
| }; |
| |
| #endif /* CONFIG_NFS_V4 */ |
| |
| struct nfstime4 { |
| u64 seconds; |
| u32 nseconds; |
| }; |
| |
| #ifdef CONFIG_NFS_V4_1 |
| #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_impl_id { |
| char domain[NFS4_OPAQUE_LIMIT + 1]; |
| char name[NFS4_OPAQUE_LIMIT + 1]; |
| struct nfstime4 date; |
| }; |
| |
| struct nfs41_exchange_id_res { |
| struct nfs_client *client; |
| u32 flags; |
| struct server_scope *server_scope; |
| struct nfs41_impl_id *impl_id; |
| }; |
| |
| 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; |
| }; |
| |
| #define SECINFO_STYLE_CURRENT_FH 0 |
| #define SECINFO_STYLE_PARENT 1 |
| struct nfs41_secinfo_no_name_args { |
| int style; |
| struct nfs4_sequence_args seq_args; |
| }; |
| |
| struct nfs41_test_stateid_args { |
| nfs4_stateid *stateid; |
| struct nfs4_sequence_args seq_args; |
| }; |
| |
| struct nfs41_test_stateid_res { |
| unsigned int status; |
| struct nfs4_sequence_res seq_res; |
| }; |
| |
| struct nfs41_free_stateid_args { |
| nfs4_stateid *stateid; |
| struct nfs4_sequence_args seq_args; |
| }; |
| |
| struct nfs41_free_stateid_res { |
| unsigned int status; |
| struct nfs4_sequence_res seq_res; |
| }; |
| |
| #endif /* CONFIG_NFS_V4_1 */ |
| |
| struct nfs_page; |
| |
| #define NFS_PAGEVEC_SIZE (8U) |
| |
| struct nfs_page_array { |
| struct page **pagevec; |
| unsigned int npages; /* Max length of pagevec */ |
| struct page *page_array[NFS_PAGEVEC_SIZE]; |
| }; |
| |
| struct nfs_read_data { |
| struct nfs_pgio_header *header; |
| struct list_head list; |
| struct rpc_task task; |
| struct nfs_fattr fattr; /* fattr storage */ |
| struct nfs_readargs args; |
| struct nfs_readres res; |
| unsigned long timestamp; /* For lease renewal */ |
| int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data); |
| __u64 mds_offset; |
| struct nfs_page_array pages; |
| struct nfs_client *ds_clp; /* pNFS data server */ |
| }; |
| |
| /* used as flag bits in nfs_pgio_header */ |
| enum { |
| NFS_IOHDR_ERROR = 0, |
| NFS_IOHDR_EOF, |
| NFS_IOHDR_REDO, |
| NFS_IOHDR_NEED_COMMIT, |
| NFS_IOHDR_NEED_RESCHED, |
| }; |
| |
| struct nfs_pgio_header { |
| struct inode *inode; |
| struct rpc_cred *cred; |
| struct list_head pages; |
| struct list_head rpc_list; |
| atomic_t refcnt; |
| struct nfs_page *req; |
| struct pnfs_layout_segment *lseg; |
| loff_t io_start; |
| const struct rpc_call_ops *mds_ops; |
| void (*release) (struct nfs_pgio_header *hdr); |
| const struct nfs_pgio_completion_ops *completion_ops; |
| spinlock_t lock; |
| /* fields protected by lock */ |
| int pnfs_error; |
| int error; /* merge with pnfs_error */ |
| unsigned long good_bytes; /* boundary of good data */ |
| unsigned long flags; |
| }; |
| |
| struct nfs_read_header { |
| struct nfs_pgio_header header; |
| struct nfs_read_data rpc_data; |
| }; |
| |
| struct nfs_direct_req; |
| |
| struct nfs_write_data { |
| struct nfs_pgio_header *header; |
| struct list_head list; |
| struct rpc_task task; |
| struct nfs_fattr fattr; |
| struct nfs_writeverf verf; |
| struct nfs_writeargs args; /* argument struct */ |
| struct nfs_writeres res; /* result struct */ |
| unsigned long timestamp; /* For lease renewal */ |
| int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data); |
| __u64 mds_offset; /* Filelayout dense stripe */ |
| struct nfs_page_array pages; |
| struct nfs_client *ds_clp; /* pNFS data server */ |
| }; |
| |
| struct nfs_write_header { |
| struct nfs_pgio_header header; |
| struct nfs_write_data rpc_data; |
| }; |
| |
| struct nfs_commit_data { |
| 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 list_head list; /* lists of struct nfs_write_data */ |
| struct nfs_direct_req *dreq; /* O_DIRECT request */ |
| struct nfs_commitargs args; /* argument struct */ |
| struct nfs_commitres res; /* result struct */ |
| struct nfs_open_context *context; |
| struct pnfs_layout_segment *lseg; |
| struct nfs_client *ds_clp; /* pNFS data server */ |
| int ds_commit_index; |
| const struct rpc_call_ops *mds_ops; |
| int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data); |
| }; |
| |
| struct nfs_pgio_completion_ops { |
| void (*error_cleanup)(struct list_head *head); |
| void (*completion)(struct nfs_pgio_header *hdr); |
| }; |
| |
| struct nfs_unlinkdata { |
| struct hlist_node list; |
| struct nfs_removeargs args; |
| struct nfs_removeres res; |
| struct inode *dir; |
| struct rpc_cred *cred; |
| struct nfs_fattr dir_attr; |
| }; |
| |
| struct nfs_renamedata { |
| struct nfs_renameargs args; |
| struct nfs_renameres res; |
| struct rpc_cred *cred; |
| struct inode *old_dir; |
| struct dentry *old_dentry; |
| struct nfs_fattr old_fattr; |
| struct inode *new_dir; |
| struct dentry *new_dentry; |
| struct nfs_fattr new_fattr; |
| }; |
| |
| struct nfs_access_entry; |
| struct nfs_client; |
| struct rpc_timeout; |
| |
| /* |
| * 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; |
| const struct file_operations *file_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 rpc_clnt *clnt, 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 nfs_open_context *); |
| int (*remove) (struct inode *, struct qstr *); |
| void (*unlink_setup) (struct rpc_message *, struct inode *dir); |
| void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *); |
| int (*unlink_done) (struct rpc_task *, struct inode *); |
| int (*rename) (struct inode *, struct qstr *, |
| struct inode *, struct qstr *); |
| void (*rename_setup) (struct rpc_message *msg, struct inode *dir); |
| void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *); |
| int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir); |
| 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 *); |
| int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int); |
| void (*read_setup) (struct nfs_read_data *, struct rpc_message *); |
| void (*read_rpc_prepare)(struct rpc_task *, struct nfs_read_data *); |
| int (*read_done) (struct rpc_task *, struct nfs_read_data *); |
| void (*write_setup) (struct nfs_write_data *, struct rpc_message *); |
| void (*write_rpc_prepare)(struct rpc_task *, struct nfs_write_data *); |
| int (*write_done) (struct rpc_task *, struct nfs_write_data *); |
| void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *); |
| void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *); |
| int (*commit_done) (struct rpc_task *, struct nfs_commit_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); |
| struct inode * (*open_context) (struct inode *dir, |
| struct nfs_open_context *ctx, |
| int open_flags, |
| struct iattr *iattr); |
| int (*init_client) (struct nfs_client *, const struct rpc_timeout *, |
| const char *, rpc_authflavor_t, int); |
| int (*secinfo)(struct inode *, const struct qstr *, struct nfs4_secinfo_flavors *); |
| }; |
| |
| /* |
| * 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 const struct rpc_version nfs_version2; |
| extern const struct rpc_version nfs_version3; |
| extern const struct rpc_version nfs_version4; |
| |
| extern const struct rpc_version nfsacl_version3; |
| extern const struct rpc_program nfsacl_program; |
| |
| #endif |