| /* SPDX-License-Identifier: GPL-2.0 */ |
| #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) |
| |
| #define NFS_BITMASK_SZ 3 |
| |
| 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 nfs4_threshold { |
| __u32 bm; |
| __u32 l_type; |
| __u64 rd_sz; |
| __u64 wr_sz; |
| __u64 rd_io_sz; |
| __u64 wr_io_sz; |
| }; |
| |
| struct nfs_fattr { |
| unsigned int valid; /* which fields are valid */ |
| umode_t mode; |
| __u32 nlink; |
| kuid_t uid; |
| kgid_t 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 timespec64 atime; |
| struct timespec64 mtime; |
| struct timespec64 ctime; |
| __u64 change_attr; /* NFSv4 change attribute */ |
| __u64 pre_change_attr;/* pre-op NFSv4 change attribute */ |
| __u64 pre_size; /* pre_op_attr.size */ |
| struct timespec64 pre_mtime; /* pre_op_attr.mtime */ |
| struct timespec64 pre_ctime; /* pre_op_attr.ctime */ |
| unsigned long time_start; |
| unsigned long gencount; |
| struct nfs4_string *owner_name; |
| struct nfs4_string *group_name; |
| struct nfs4_threshold *mdsthreshold; /* pNFS threshold hints */ |
| struct nfs4_label *label; |
| }; |
| |
| #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_V4_SECURITY_LABEL (1U << 25) |
| |
| #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 \ |
| | NFS_ATTR_FATTR_CHANGE) |
| #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_V4_SECURITY_LABEL) |
| |
| /* |
| * Maximal number of supported layout drivers. |
| */ |
| #define NFS_MAX_LAYOUT_TYPES 8 |
| |
| /* |
| * 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 timespec64 time_delta; /* server time granularity */ |
| __u32 lease_time; /* in seconds */ |
| __u32 nlayouttypes; /* number of layouttypes */ |
| __u32 layouttype[NFS_MAX_LAYOUT_TYPES]; /* supported pnfs layout driver */ |
| __u32 blksize; /* preferred pnfs io block size */ |
| __u32 clone_blksize; /* granularity of a CLONE operation */ |
| enum nfs4_change_attr_type |
| change_attr_type; /* Info about change attr */ |
| __u32 xattr_support; /* User xattrs supported */ |
| }; |
| |
| 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; |
| }; |
| |
| struct nfs4_slot; |
| struct nfs4_sequence_args { |
| struct nfs4_slot *sa_slot; |
| u8 sa_cache_this : 1, |
| sa_privileged : 1; |
| }; |
| |
| struct nfs4_sequence_res { |
| struct nfs4_slot *sr_slot; /* slot used to send request */ |
| unsigned long sr_timestamp; |
| int sr_status; /* sequence operation status */ |
| u32 sr_status_flags; |
| u32 sr_highest_slotid; |
| u32 sr_target_highest_slotid; |
| }; |
| |
| struct nfs4_get_lease_time_args { |
| struct nfs4_sequence_args la_seq_args; |
| }; |
| |
| struct nfs4_get_lease_time_res { |
| struct nfs4_sequence_res lr_seq_res; |
| struct nfs_fsinfo *lr_fsinfo; |
| }; |
| |
| struct xdr_stream; |
| struct nfs4_xdr_opaque_data; |
| |
| struct nfs4_xdr_opaque_ops { |
| void (*encode)(struct xdr_stream *, const void *args, |
| const struct nfs4_xdr_opaque_data *); |
| void (*free)(struct nfs4_xdr_opaque_data *); |
| }; |
| |
| struct nfs4_xdr_opaque_data { |
| const struct nfs4_xdr_opaque_ops *ops; |
| void *data; |
| }; |
| |
| #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 { |
| struct nfs4_sequence_args seq_args; |
| __u32 type; |
| struct pnfs_layout_range range; |
| __u64 minlength; |
| __u32 maxcount; |
| struct inode *inode; |
| struct nfs_open_context *ctx; |
| nfs4_stateid stateid; |
| struct nfs4_layoutdriver_data layout; |
| }; |
| |
| struct nfs4_layoutget_res { |
| struct nfs4_sequence_res seq_res; |
| int status; |
| __u32 return_on_close; |
| struct pnfs_layout_range range; |
| __u32 type; |
| nfs4_stateid stateid; |
| struct nfs4_layoutdriver_data *layoutp; |
| }; |
| |
| struct nfs4_layoutget { |
| struct nfs4_layoutget_args args; |
| struct nfs4_layoutget_res res; |
| const struct cred *cred; |
| struct pnfs_layout_hdr *lo; |
| gfp_t gfp_flags; |
| }; |
| |
| struct nfs4_getdeviceinfo_args { |
| struct nfs4_sequence_args seq_args; |
| struct pnfs_device *pdev; |
| __u32 notify_types; |
| }; |
| |
| struct nfs4_getdeviceinfo_res { |
| struct nfs4_sequence_res seq_res; |
| struct pnfs_device *pdev; |
| __u32 notification; |
| }; |
| |
| struct nfs4_layoutcommit_args { |
| struct nfs4_sequence_args seq_args; |
| nfs4_stateid stateid; |
| __u64 lastbytewritten; |
| struct inode *inode; |
| const u32 *bitmask; |
| size_t layoutupdate_len; |
| struct page *layoutupdate_page; |
| struct page **layoutupdate_pages; |
| __be32 *start_p; |
| }; |
| |
| struct nfs4_layoutcommit_res { |
| struct nfs4_sequence_res seq_res; |
| struct nfs_fattr *fattr; |
| const struct nfs_server *server; |
| int status; |
| }; |
| |
| struct nfs4_layoutcommit_data { |
| struct rpc_task task; |
| struct nfs_fattr fattr; |
| struct list_head lseg_list; |
| const struct cred *cred; |
| struct inode *inode; |
| struct nfs4_layoutcommit_args args; |
| struct nfs4_layoutcommit_res res; |
| }; |
| |
| struct nfs4_layoutreturn_args { |
| struct nfs4_sequence_args seq_args; |
| struct pnfs_layout_hdr *layout; |
| struct inode *inode; |
| struct pnfs_layout_range range; |
| nfs4_stateid stateid; |
| __u32 layout_type; |
| struct nfs4_xdr_opaque_data *ld_private; |
| }; |
| |
| 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; |
| const struct cred *cred; |
| struct nfs_client *clp; |
| struct inode *inode; |
| int rpc_status; |
| struct nfs4_xdr_opaque_data ld_private; |
| }; |
| |
| #define PNFS_LAYOUTSTATS_MAXSIZE 256 |
| |
| struct nfs42_layoutstat_args; |
| struct nfs42_layoutstat_devinfo; |
| typedef void (*layoutstats_encode_t)(struct xdr_stream *, |
| struct nfs42_layoutstat_args *, |
| struct nfs42_layoutstat_devinfo *); |
| |
| /* Per file per deviceid layoutstats */ |
| struct nfs42_layoutstat_devinfo { |
| struct nfs4_deviceid dev_id; |
| __u64 offset; |
| __u64 length; |
| __u64 read_count; |
| __u64 read_bytes; |
| __u64 write_count; |
| __u64 write_bytes; |
| __u32 layout_type; |
| struct nfs4_xdr_opaque_data ld_private; |
| }; |
| |
| struct nfs42_layoutstat_args { |
| struct nfs4_sequence_args seq_args; |
| struct nfs_fh *fh; |
| struct inode *inode; |
| nfs4_stateid stateid; |
| int num_dev; |
| struct nfs42_layoutstat_devinfo *devinfo; |
| }; |
| |
| struct nfs42_layoutstat_res { |
| struct nfs4_sequence_res seq_res; |
| int num_dev; |
| int rpc_status; |
| }; |
| |
| struct nfs42_layoutstat_data { |
| struct inode *inode; |
| struct nfs42_layoutstat_args args; |
| struct nfs42_layoutstat_res res; |
| }; |
| |
| struct nfs42_device_error { |
| struct nfs4_deviceid dev_id; |
| int status; |
| enum nfs_opnum4 opnum; |
| }; |
| |
| struct nfs42_layout_error { |
| __u64 offset; |
| __u64 length; |
| nfs4_stateid stateid; |
| struct nfs42_device_error errors[1]; |
| }; |
| |
| #define NFS42_LAYOUTERROR_MAX 5 |
| |
| struct nfs42_layouterror_args { |
| struct nfs4_sequence_args seq_args; |
| struct inode *inode; |
| unsigned int num_errors; |
| struct nfs42_layout_error errors[NFS42_LAYOUTERROR_MAX]; |
| }; |
| |
| struct nfs42_layouterror_res { |
| struct nfs4_sequence_res seq_res; |
| unsigned int num_errors; |
| int rpc_status; |
| }; |
| |
| struct nfs42_layouterror_data { |
| struct nfs42_layouterror_args args; |
| struct nfs42_layouterror_res res; |
| struct inode *inode; |
| struct pnfs_layout_segment *lseg; |
| }; |
| |
| struct nfs42_clone_args { |
| struct nfs4_sequence_args seq_args; |
| struct nfs_fh *src_fh; |
| struct nfs_fh *dst_fh; |
| nfs4_stateid src_stateid; |
| nfs4_stateid dst_stateid; |
| __u64 src_offset; |
| __u64 dst_offset; |
| __u64 count; |
| const u32 *dst_bitmask; |
| }; |
| |
| struct nfs42_clone_res { |
| struct nfs4_sequence_res seq_res; |
| unsigned int rpc_status; |
| struct nfs_fattr *dst_fattr; |
| const struct nfs_server *server; |
| }; |
| |
| struct stateowner_id { |
| __u64 create_time; |
| __u32 uniquifier; |
| }; |
| |
| /* |
| * Arguments to the open call. |
| */ |
| struct nfs_openargs { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh * fh; |
| struct nfs_seqid * seqid; |
| int open_flags; |
| fmode_t fmode; |
| u32 share_access; |
| u32 access; |
| __u64 clientid; |
| struct stateowner_id id; |
| union { |
| struct { |
| struct iattr * attrs; /* UNCHECKED, GUARDED, EXCLUSIVE4_1 */ |
| 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 * open_bitmap; |
| enum open_claim_type4 claim; |
| enum createmode4 createmode; |
| const struct nfs4_label *label; |
| umode_t umask; |
| struct nfs4_layoutget_args *lg_args; |
| }; |
| |
| struct nfs_openres { |
| struct nfs4_sequence_res seq_res; |
| nfs4_stateid stateid; |
| struct nfs_fh fh; |
| struct nfs4_change_info cinfo; |
| __u32 rflags; |
| struct nfs_fattr * f_attr; |
| struct nfs_seqid * seqid; |
| const struct nfs_server *server; |
| fmode_t delegation_type; |
| nfs4_stateid delegation; |
| unsigned long pagemod_limit; |
| __u32 do_recall; |
| __u32 attrset[NFS4_BITMAP_SIZE]; |
| struct nfs4_string *owner; |
| struct nfs4_string *group_owner; |
| __u32 access_request; |
| __u32 access_supported; |
| __u32 access_result; |
| struct nfs4_layoutget_res *lg_res; |
| }; |
| |
| /* |
| * Arguments to the open_confirm call. |
| */ |
| struct nfs_open_confirmargs { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh * fh; |
| nfs4_stateid * stateid; |
| struct nfs_seqid * seqid; |
| }; |
| |
| struct nfs_open_confirmres { |
| struct nfs4_sequence_res seq_res; |
| nfs4_stateid stateid; |
| struct nfs_seqid * seqid; |
| }; |
| |
| /* |
| * Arguments to the close call. |
| */ |
| struct nfs_closeargs { |
| struct nfs4_sequence_args seq_args; |
| struct nfs_fh * fh; |
| nfs4_stateid stateid; |
| struct nfs_seqid * seqid; |
| fmode_t fmode; |
| u32 share_access; |
| const u32 * bitmask; |
| u32 bitmask_store[NFS_BITMASK_SZ]; |
| struct nfs4_layoutreturn_args *lr_args; |
| }; |
| |
| struct nfs_closeres { |
| struct nfs4_sequence_res seq_res; |
| nfs4_stateid stateid; |
| struct nfs_fattr * fattr; |
| struct nfs_seqid * seqid; |
| const struct nfs_server *server; |
| struct nfs4_layoutreturn_res *lr_res; |
| int lr_ret; |
| }; |
| /* |
| * * Arguments to the lock,lockt, and locku call. |
| * */ |
| struct nfs_lowner { |
| __u64 clientid; |
| __u64 id; |
| dev_t s_dev; |
| }; |
| |
| struct nfs_lock_args { |
| struct nfs4_sequence_args seq_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 : 1; |
| unsigned char new_lock_owner : 1; |
| }; |
| |
| struct nfs_lock_res { |
| struct nfs4_sequence_res seq_res; |
| nfs4_stateid stateid; |
| struct nfs_seqid * lock_seqid; |
| struct nfs_seqid * open_seqid; |
| }; |
| |
| struct nfs_locku_args { |
| struct nfs4_sequence_args seq_args; |
| struct nfs_fh * fh; |
| struct file_lock * fl; |
| struct nfs_seqid * seqid; |
| nfs4_stateid stateid; |
| }; |
| |
| struct nfs_locku_res { |
| struct nfs4_sequence_res seq_res; |
| nfs4_stateid stateid; |
| struct nfs_seqid * seqid; |
| }; |
| |
| struct nfs_lockt_args { |
| struct nfs4_sequence_args seq_args; |
| struct nfs_fh * fh; |
| struct file_lock * fl; |
| struct nfs_lowner lock_owner; |
| }; |
| |
| struct nfs_lockt_res { |
| struct nfs4_sequence_res seq_res; |
| struct file_lock * denied; /* LOCK, LOCKT failed */ |
| }; |
| |
| struct nfs_release_lockowner_args { |
| struct nfs4_sequence_args seq_args; |
| struct nfs_lowner lock_owner; |
| }; |
| |
| struct nfs_release_lockowner_res { |
| struct nfs4_sequence_res seq_res; |
| }; |
| |
| struct nfs4_delegreturnargs { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh *fhandle; |
| const nfs4_stateid *stateid; |
| const u32 *bitmask; |
| u32 bitmask_store[NFS_BITMASK_SZ]; |
| struct nfs4_layoutreturn_args *lr_args; |
| }; |
| |
| struct nfs4_delegreturnres { |
| struct nfs4_sequence_res seq_res; |
| struct nfs_fattr * fattr; |
| struct nfs_server *server; |
| struct nfs4_layoutreturn_res *lr_res; |
| int lr_ret; |
| }; |
| |
| /* |
| * Arguments to the write call. |
| */ |
| struct nfs_write_verifier { |
| char data[8]; |
| }; |
| |
| struct nfs_writeverf { |
| struct nfs_write_verifier verifier; |
| enum nfs3_stable_how committed; |
| }; |
| |
| /* |
| * Arguments shared by the read and write call. |
| */ |
| struct nfs_pgio_args { |
| struct nfs4_sequence_args seq_args; |
| struct nfs_fh * fh; |
| struct nfs_open_context *context; |
| struct nfs_lock_context *lock_context; |
| nfs4_stateid stateid; |
| __u64 offset; |
| __u32 count; |
| unsigned int pgbase; |
| struct page ** pages; |
| union { |
| unsigned int replen; /* used by read */ |
| struct { |
| const u32 * bitmask; /* used by write */ |
| u32 bitmask_store[NFS_BITMASK_SZ]; /* used by write */ |
| enum nfs3_stable_how stable; /* used by write */ |
| }; |
| }; |
| }; |
| |
| struct nfs_pgio_res { |
| struct nfs4_sequence_res seq_res; |
| struct nfs_fattr * fattr; |
| __u64 count; |
| __u32 op_status; |
| union { |
| struct { |
| unsigned int replen; /* used by read */ |
| int eof; /* used by read */ |
| }; |
| struct { |
| struct nfs_writeverf * verf; /* used by write */ |
| const struct nfs_server *server; /* used by write */ |
| }; |
| }; |
| }; |
| |
| /* |
| * Arguments to the commit call. |
| */ |
| struct nfs_commitargs { |
| struct nfs4_sequence_args seq_args; |
| struct nfs_fh *fh; |
| __u64 offset; |
| __u32 count; |
| const u32 *bitmask; |
| }; |
| |
| struct nfs_commitres { |
| struct nfs4_sequence_res seq_res; |
| __u32 op_status; |
| struct nfs_fattr *fattr; |
| struct nfs_writeverf *verf; |
| const struct nfs_server *server; |
| }; |
| |
| /* |
| * Common arguments to the unlink call |
| */ |
| struct nfs_removeargs { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh *fh; |
| struct qstr name; |
| }; |
| |
| struct nfs_removeres { |
| struct nfs4_sequence_res seq_res; |
| struct nfs_server *server; |
| struct nfs_fattr *dir_attr; |
| struct nfs4_change_info cinfo; |
| }; |
| |
| /* |
| * Common arguments to the rename call |
| */ |
| struct nfs_renameargs { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh *old_dir; |
| const struct nfs_fh *new_dir; |
| const struct qstr *old_name; |
| const struct qstr *new_name; |
| }; |
| |
| struct nfs_renameres { |
| struct nfs4_sequence_res seq_res; |
| 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; |
| }; |
| |
| /* parsed sec= options */ |
| #define NFS_AUTH_INFO_MAX_FLAVORS 12 /* see fs/nfs/super.c */ |
| struct nfs_auth_info { |
| unsigned int flavor_len; |
| rpc_authflavor_t flavors[NFS_AUTH_INFO_MAX_FLAVORS]; |
| }; |
| |
| /* |
| * 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; |
| }; |
| |
| struct nfs_readdir_arg { |
| struct dentry *dentry; |
| const struct cred *cred; |
| __be32 *verf; |
| u64 cookie; |
| struct page **pages; |
| unsigned int page_len; |
| bool plus; |
| }; |
| |
| struct nfs_readdir_res { |
| __be32 *verf; |
| }; |
| |
| /* |
| * 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 nfs4_sequence_args seq_args; |
| struct nfs_fh * fh; |
| nfs4_stateid stateid; |
| struct iattr * iap; |
| const struct nfs_server * server; /* Needed for name mapping */ |
| const u32 * bitmask; |
| const struct nfs4_label *label; |
| }; |
| |
| struct nfs_setaclargs { |
| struct nfs4_sequence_args seq_args; |
| struct nfs_fh * fh; |
| size_t acl_len; |
| struct page ** acl_pages; |
| }; |
| |
| struct nfs_setaclres { |
| struct nfs4_sequence_res seq_res; |
| }; |
| |
| struct nfs_getaclargs { |
| struct nfs4_sequence_args seq_args; |
| struct nfs_fh * fh; |
| size_t acl_len; |
| struct page ** acl_pages; |
| }; |
| |
| /* getxattr ACL interface flags */ |
| #define NFS4_ACL_TRUNC 0x0001 /* ACL was truncated */ |
| struct nfs_getaclres { |
| struct nfs4_sequence_res seq_res; |
| size_t acl_len; |
| size_t acl_data_offset; |
| int acl_flags; |
| struct page * acl_scratch; |
| }; |
| |
| struct nfs_setattrres { |
| struct nfs4_sequence_res seq_res; |
| 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; |
| 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 timespec64 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]; |
| bool 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; |
| bool 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; |
| }; |
| |
| #if IS_ENABLED(CONFIG_NFS_V4) |
| |
| typedef u64 clientid4; |
| |
| struct nfs4_accessargs { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh * fh; |
| const u32 * bitmask; |
| u32 access; |
| }; |
| |
| struct nfs4_accessres { |
| struct nfs4_sequence_res seq_res; |
| const struct nfs_server * server; |
| struct nfs_fattr * fattr; |
| u32 supported; |
| u32 access; |
| }; |
| |
| struct nfs4_create_arg { |
| struct nfs4_sequence_args seq_args; |
| 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; |
| const struct nfs4_label *label; |
| umode_t umask; |
| }; |
| |
| struct nfs4_create_res { |
| struct nfs4_sequence_res seq_res; |
| const struct nfs_server * server; |
| struct nfs_fh * fh; |
| struct nfs_fattr * fattr; |
| struct nfs4_change_info dir_cinfo; |
| }; |
| |
| struct nfs4_fsinfo_arg { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh * fh; |
| const u32 * bitmask; |
| }; |
| |
| struct nfs4_fsinfo_res { |
| struct nfs4_sequence_res seq_res; |
| struct nfs_fsinfo *fsinfo; |
| }; |
| |
| struct nfs4_getattr_arg { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh * fh; |
| const u32 * bitmask; |
| }; |
| |
| struct nfs4_getattr_res { |
| struct nfs4_sequence_res seq_res; |
| const struct nfs_server * server; |
| struct nfs_fattr * fattr; |
| }; |
| |
| struct nfs4_link_arg { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh * fh; |
| const struct nfs_fh * dir_fh; |
| const struct qstr * name; |
| const u32 * bitmask; |
| }; |
| |
| struct nfs4_link_res { |
| struct nfs4_sequence_res seq_res; |
| const struct nfs_server * server; |
| struct nfs_fattr * fattr; |
| struct nfs4_change_info cinfo; |
| struct nfs_fattr * dir_attr; |
| }; |
| |
| struct nfs4_lookup_arg { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh * dir_fh; |
| const struct qstr * name; |
| const u32 * bitmask; |
| }; |
| |
| struct nfs4_lookup_res { |
| struct nfs4_sequence_res seq_res; |
| const struct nfs_server * server; |
| struct nfs_fattr * fattr; |
| struct nfs_fh * fh; |
| }; |
| |
| struct nfs4_lookupp_arg { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh *fh; |
| const u32 *bitmask; |
| }; |
| |
| struct nfs4_lookupp_res { |
| struct nfs4_sequence_res seq_res; |
| const struct nfs_server *server; |
| struct nfs_fattr *fattr; |
| struct nfs_fh *fh; |
| }; |
| |
| struct nfs4_lookup_root_arg { |
| struct nfs4_sequence_args seq_args; |
| const u32 * bitmask; |
| }; |
| |
| struct nfs4_pathconf_arg { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh * fh; |
| const u32 * bitmask; |
| }; |
| |
| struct nfs4_pathconf_res { |
| struct nfs4_sequence_res seq_res; |
| struct nfs_pathconf *pathconf; |
| }; |
| |
| struct nfs4_readdir_arg { |
| struct nfs4_sequence_args seq_args; |
| 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; |
| bool plus; |
| }; |
| |
| struct nfs4_readdir_res { |
| struct nfs4_sequence_res seq_res; |
| nfs4_verifier verifier; |
| unsigned int pgbase; |
| }; |
| |
| struct nfs4_readlink { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh * fh; |
| unsigned int pgbase; |
| unsigned int pglen; /* zero-copy data */ |
| struct page ** pages; /* zero-copy data */ |
| }; |
| |
| struct nfs4_readlink_res { |
| struct nfs4_sequence_res seq_res; |
| }; |
| |
| struct nfs4_setclientid { |
| const nfs4_verifier * sc_verifier; |
| 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]; |
| struct nfs_client *sc_clnt; |
| struct rpc_cred *sc_cred; |
| }; |
| |
| struct nfs4_setclientid_res { |
| u64 clientid; |
| nfs4_verifier confirm; |
| }; |
| |
| struct nfs4_statfs_arg { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh * fh; |
| const u32 * bitmask; |
| }; |
| |
| struct nfs4_statfs_res { |
| struct nfs4_sequence_res seq_res; |
| struct nfs_fsstat *fsstat; |
| }; |
| |
| struct nfs4_server_caps_arg { |
| struct nfs4_sequence_args seq_args; |
| struct nfs_fh *fhandle; |
| const u32 * bitmask; |
| }; |
| |
| struct nfs4_server_caps_res { |
| struct nfs4_sequence_res seq_res; |
| u32 attr_bitmask[3]; |
| u32 exclcreat_bitmask[3]; |
| u32 acl_bitmask; |
| u32 has_links; |
| u32 has_symlinks; |
| u32 fh_expire_type; |
| }; |
| |
| #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 { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh *dir_fh; |
| const struct nfs_fh *fh; |
| const struct qstr *name; |
| struct page *page; |
| const u32 *bitmask; |
| clientid4 clientid; |
| unsigned char migration:1, renew:1; |
| }; |
| |
| struct nfs4_fs_locations_res { |
| struct nfs4_sequence_res seq_res; |
| struct nfs4_fs_locations *fs_locations; |
| unsigned char migration:1, renew:1; |
| }; |
| |
| struct nfs4_secinfo4 { |
| u32 flavor; |
| struct rpcsec_gss_info flavor_info; |
| }; |
| |
| struct nfs4_secinfo_flavors { |
| unsigned int num_flavors; |
| struct nfs4_secinfo4 flavors[]; |
| }; |
| |
| struct nfs4_secinfo_arg { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh *dir_fh; |
| const struct qstr *name; |
| }; |
| |
| struct nfs4_secinfo_res { |
| struct nfs4_sequence_res seq_res; |
| struct nfs4_secinfo_flavors *flavors; |
| }; |
| |
| struct nfs4_fsid_present_arg { |
| struct nfs4_sequence_args seq_args; |
| const struct nfs_fh *fh; |
| clientid4 clientid; |
| unsigned char renew:1; |
| }; |
| |
| struct nfs4_fsid_present_res { |
| struct nfs4_sequence_res seq_res; |
| struct nfs_fh *fh; |
| unsigned char renew:1; |
| }; |
| |
| #endif /* CONFIG_NFS_V4 */ |
| |
| struct nfstime4 { |
| u64 seconds; |
| u32 nseconds; |
| }; |
| |
| #ifdef CONFIG_NFS_V4_1 |
| |
| struct pnfs_commit_bucket { |
| struct list_head written; |
| struct list_head committing; |
| struct pnfs_layout_segment *lseg; |
| struct nfs_writeverf direct_verf; |
| }; |
| |
| struct pnfs_commit_array { |
| struct list_head cinfo_list; |
| struct list_head lseg_list; |
| struct pnfs_layout_segment *lseg; |
| struct rcu_head rcu; |
| refcount_t refcount; |
| unsigned int nbuckets; |
| struct pnfs_commit_bucket buckets[]; |
| }; |
| |
| struct pnfs_ds_commit_info { |
| struct list_head commits; |
| unsigned int nwritten; |
| unsigned int ncommitting; |
| const struct pnfs_commit_ops *ops; |
| }; |
| |
| struct nfs41_state_protection { |
| u32 how; |
| struct nfs4_op_map enforce; |
| struct nfs4_op_map allow; |
| }; |
| |
| struct nfs41_exchange_id_args { |
| struct nfs_client *client; |
| nfs4_verifier verifier; |
| u32 flags; |
| struct nfs41_state_protection state_protect; |
| }; |
| |
| struct nfs41_server_owner { |
| uint64_t minor_id; |
| uint32_t major_id_sz; |
| char major_id[NFS4_OPAQUE_LIMIT]; |
| }; |
| |
| struct nfs41_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; |
| }; |
| |
| #define MAX_BIND_CONN_TO_SESSION_RETRIES 3 |
| struct nfs41_bind_conn_to_session_args { |
| struct nfs_client *client; |
| struct nfs4_sessionid sessionid; |
| u32 dir; |
| bool use_conn_in_rdma_mode; |
| int retries; |
| }; |
| |
| struct nfs41_bind_conn_to_session_res { |
| struct nfs4_sessionid sessionid; |
| u32 dir; |
| bool use_conn_in_rdma_mode; |
| }; |
| |
| struct nfs41_exchange_id_res { |
| u64 clientid; |
| u32 seqid; |
| u32 flags; |
| struct nfs41_server_owner *server_owner; |
| struct nfs41_server_scope *server_scope; |
| struct nfs41_impl_id *impl_id; |
| struct nfs41_state_protection state_protect; |
| }; |
| |
| struct nfs41_create_session_args { |
| struct nfs_client *client; |
| u64 clientid; |
| uint32_t seqid; |
| 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 nfs4_sessionid sessionid; |
| uint32_t seqid; |
| uint32_t flags; |
| struct nfs4_channel_attrs fc_attrs; /* Fore Channel */ |
| struct nfs4_channel_attrs bc_attrs; /* Back Channel */ |
| }; |
| |
| struct nfs41_reclaim_complete_args { |
| struct nfs4_sequence_args seq_args; |
| /* In the future extend to include curr_fh for use with migration */ |
| unsigned char one_fs:1; |
| }; |
| |
| 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 { |
| struct nfs4_sequence_args seq_args; |
| int style; |
| }; |
| |
| struct nfs41_test_stateid_args { |
| struct nfs4_sequence_args seq_args; |
| nfs4_stateid *stateid; |
| }; |
| |
| struct nfs41_test_stateid_res { |
| struct nfs4_sequence_res seq_res; |
| unsigned int status; |
| }; |
| |
| struct nfs41_free_stateid_args { |
| struct nfs4_sequence_args seq_args; |
| nfs4_stateid stateid; |
| }; |
| |
| struct nfs41_free_stateid_res { |
| struct nfs4_sequence_res seq_res; |
| unsigned int status; |
| }; |
| |
| #else |
| |
| struct pnfs_ds_commit_info { |
| }; |
| |
| #endif /* CONFIG_NFS_V4_1 */ |
| |
| #ifdef CONFIG_NFS_V4_2 |
| struct nfs42_falloc_args { |
| struct nfs4_sequence_args seq_args; |
| |
| struct nfs_fh *falloc_fh; |
| nfs4_stateid falloc_stateid; |
| u64 falloc_offset; |
| u64 falloc_length; |
| const u32 *falloc_bitmask; |
| }; |
| |
| struct nfs42_falloc_res { |
| struct nfs4_sequence_res seq_res; |
| unsigned int status; |
| |
| struct nfs_fattr *falloc_fattr; |
| const struct nfs_server *falloc_server; |
| }; |
| |
| struct nfs42_copy_args { |
| struct nfs4_sequence_args seq_args; |
| |
| struct nfs_fh *src_fh; |
| nfs4_stateid src_stateid; |
| u64 src_pos; |
| |
| struct nfs_fh *dst_fh; |
| nfs4_stateid dst_stateid; |
| u64 dst_pos; |
| |
| u64 count; |
| bool sync; |
| struct nl4_server *cp_src; |
| }; |
| |
| struct nfs42_write_res { |
| nfs4_stateid stateid; |
| u64 count; |
| struct nfs_writeverf verifier; |
| }; |
| |
| struct nfs42_copy_res { |
| struct nfs4_sequence_res seq_res; |
| struct nfs42_write_res write_res; |
| bool consecutive; |
| bool synchronous; |
| struct nfs_commitres commit_res; |
| }; |
| |
| struct nfs42_offload_status_args { |
| struct nfs4_sequence_args osa_seq_args; |
| struct nfs_fh *osa_src_fh; |
| nfs4_stateid osa_stateid; |
| }; |
| |
| struct nfs42_offload_status_res { |
| struct nfs4_sequence_res osr_seq_res; |
| uint64_t osr_count; |
| int osr_status; |
| }; |
| |
| struct nfs42_copy_notify_args { |
| struct nfs4_sequence_args cna_seq_args; |
| |
| struct nfs_fh *cna_src_fh; |
| nfs4_stateid cna_src_stateid; |
| struct nl4_server cna_dst; |
| }; |
| |
| struct nfs42_copy_notify_res { |
| struct nfs4_sequence_res cnr_seq_res; |
| |
| struct nfstime4 cnr_lease_time; |
| nfs4_stateid cnr_stateid; |
| struct nl4_server cnr_src; |
| }; |
| |
| struct nfs42_seek_args { |
| struct nfs4_sequence_args seq_args; |
| |
| struct nfs_fh *sa_fh; |
| nfs4_stateid sa_stateid; |
| u64 sa_offset; |
| u32 sa_what; |
| }; |
| |
| struct nfs42_seek_res { |
| struct nfs4_sequence_res seq_res; |
| unsigned int status; |
| |
| u32 sr_eof; |
| u64 sr_offset; |
| }; |
| |
| struct nfs42_setxattrargs { |
| struct nfs4_sequence_args seq_args; |
| struct nfs_fh *fh; |
| const char *xattr_name; |
| u32 xattr_flags; |
| size_t xattr_len; |
| struct page **xattr_pages; |
| }; |
| |
| struct nfs42_setxattrres { |
| struct nfs4_sequence_res seq_res; |
| struct nfs4_change_info cinfo; |
| }; |
| |
| struct nfs42_getxattrargs { |
| struct nfs4_sequence_args seq_args; |
| struct nfs_fh *fh; |
| const char *xattr_name; |
| size_t xattr_len; |
| struct page **xattr_pages; |
| }; |
| |
| struct nfs42_getxattrres { |
| struct nfs4_sequence_res seq_res; |
| size_t xattr_len; |
| }; |
| |
| struct nfs42_listxattrsargs { |
| struct nfs4_sequence_args seq_args; |
| struct nfs_fh *fh; |
| u32 count; |
| u64 cookie; |
| struct page **xattr_pages; |
| }; |
| |
| struct nfs42_listxattrsres { |
| struct nfs4_sequence_res seq_res; |
| struct page *scratch; |
| void *xattr_buf; |
| size_t xattr_len; |
| u64 cookie; |
| bool eof; |
| size_t copied; |
| }; |
| |
| struct nfs42_removexattrargs { |
| struct nfs4_sequence_args seq_args; |
| struct nfs_fh *fh; |
| const char *xattr_name; |
| }; |
| |
| struct nfs42_removexattrres { |
| struct nfs4_sequence_res seq_res; |
| struct nfs4_change_info cinfo; |
| }; |
| |
| #endif /* CONFIG_NFS_V4_2 */ |
| |
| 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]; |
| }; |
| |
| /* used as flag bits in nfs_pgio_header */ |
| enum { |
| NFS_IOHDR_ERROR = 0, |
| NFS_IOHDR_EOF, |
| NFS_IOHDR_REDO, |
| NFS_IOHDR_STAT, |
| NFS_IOHDR_RESEND_PNFS, |
| NFS_IOHDR_RESEND_MDS, |
| }; |
| |
| struct nfs_io_completion; |
| struct nfs_pgio_header { |
| struct inode *inode; |
| const struct cred *cred; |
| struct list_head pages; |
| struct nfs_page *req; |
| struct nfs_writeverf verf; /* Used for writes */ |
| fmode_t rw_mode; |
| 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; |
| const struct nfs_rw_ops *rw_ops; |
| struct nfs_io_completion *io_completion; |
| struct nfs_direct_req *dreq; |
| |
| int pnfs_error; |
| int error; /* merge with pnfs_error */ |
| unsigned int good_bytes; /* boundary of good data */ |
| unsigned long flags; |
| |
| /* |
| * rpc data |
| */ |
| struct rpc_task task; |
| struct nfs_fattr fattr; |
| struct nfs_pgio_args args; /* argument struct */ |
| struct nfs_pgio_res res; /* result struct */ |
| unsigned long timestamp; /* For lease renewal */ |
| int (*pgio_done_cb)(struct rpc_task *, struct nfs_pgio_header *); |
| __u64 mds_offset; /* Filelayout dense stripe */ |
| struct nfs_page_array page_array; |
| struct nfs_client *ds_clp; /* pNFS data server */ |
| u32 ds_commit_idx; /* ds index if ds_clp is set */ |
| u32 pgio_mirror_idx;/* mirror index in pgio layer */ |
| }; |
| |
| struct nfs_mds_commit_info { |
| atomic_t rpcs_out; |
| atomic_long_t ncommit; |
| struct list_head list; |
| }; |
| |
| struct nfs_commit_info; |
| struct nfs_commit_data; |
| struct nfs_inode; |
| struct nfs_commit_completion_ops { |
| void (*completion) (struct nfs_commit_data *data); |
| void (*resched_write) (struct nfs_commit_info *, struct nfs_page *); |
| }; |
| |
| struct nfs_commit_info { |
| struct inode *inode; /* Needed for inode->i_lock */ |
| struct nfs_mds_commit_info *mds; |
| struct pnfs_ds_commit_info *ds; |
| struct nfs_direct_req *dreq; /* O_DIRECT request */ |
| const struct nfs_commit_completion_ops *completion_ops; |
| }; |
| |
| struct nfs_commit_data { |
| struct rpc_task task; |
| struct inode *inode; |
| const struct 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; |
| loff_t lwb; |
| const struct rpc_call_ops *mds_ops; |
| const struct nfs_commit_completion_ops *completion_ops; |
| int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data); |
| unsigned long flags; |
| }; |
| |
| struct nfs_pgio_completion_ops { |
| void (*error_cleanup)(struct list_head *head, int); |
| void (*init_hdr)(struct nfs_pgio_header *hdr); |
| void (*completion)(struct nfs_pgio_header *hdr); |
| void (*reschedule_io)(struct nfs_pgio_header *hdr); |
| }; |
| |
| struct nfs_unlinkdata { |
| struct nfs_removeargs args; |
| struct nfs_removeres res; |
| struct dentry *dentry; |
| wait_queue_head_t wq; |
| const struct cred *cred; |
| struct nfs_fattr dir_attr; |
| long timeout; |
| }; |
| |
| struct nfs_renamedata { |
| struct nfs_renameargs args; |
| struct nfs_renameres res; |
| const struct 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; |
| void (*complete)(struct rpc_task *, struct nfs_renamedata *); |
| long timeout; |
| bool cancelled; |
| }; |
| |
| struct nfs_access_entry; |
| struct nfs_client; |
| struct rpc_timeout; |
| struct nfs_subversion; |
| struct nfs_mount_info; |
| struct nfs_client_initdata; |
| struct nfs_pageio_descriptor; |
| struct fs_context; |
| |
| /* |
| * 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; |
| const struct nlmclnt_operations *nlmclnt_ops; |
| |
| int (*getroot) (struct nfs_server *, struct nfs_fh *, |
| struct nfs_fsinfo *); |
| int (*submount) (struct fs_context *, struct nfs_server *); |
| int (*try_get_tree) (struct fs_context *); |
| int (*getattr) (struct nfs_server *, struct nfs_fh *, |
| struct nfs_fattr *, struct inode *); |
| int (*setattr) (struct dentry *, struct nfs_fattr *, |
| struct iattr *); |
| int (*lookup) (struct inode *, struct dentry *, |
| struct nfs_fh *, struct nfs_fattr *); |
| int (*lookupp) (struct inode *, 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); |
| int (*remove) (struct inode *, struct dentry *); |
| void (*unlink_setup) (struct rpc_message *, struct dentry *, struct inode *); |
| void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *); |
| int (*unlink_done) (struct rpc_task *, struct inode *); |
| void (*rename_setup) (struct rpc_message *msg, |
| struct dentry *old_dentry, |
| struct dentry *new_dentry); |
| 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 *, const 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 *, const struct qstr *); |
| int (*readdir) (struct nfs_readdir_arg *, struct nfs_readdir_res *); |
| 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 *, bool); |
| int (*pgio_rpc_prepare)(struct rpc_task *, |
| struct nfs_pgio_header *); |
| void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *); |
| int (*read_done)(struct rpc_task *, struct nfs_pgio_header *); |
| void (*write_setup)(struct nfs_pgio_header *, struct rpc_message *, |
| struct rpc_clnt **); |
| int (*write_done)(struct rpc_task *, struct nfs_pgio_header *); |
| void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *, |
| struct rpc_clnt **); |
| 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 *); |
| int (*have_delegation)(struct inode *, fmode_t); |
| struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *); |
| struct nfs_client *(*init_client) (struct nfs_client *, |
| const struct nfs_client_initdata *); |
| void (*free_client) (struct nfs_client *); |
| struct nfs_server *(*create_server)(struct fs_context *); |
| struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *, |
| struct nfs_fattr *, rpc_authflavor_t); |
| }; |
| |
| /* |
| * 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 |