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1827 lines
42 KiB
1827 lines
42 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _LINUX_NFS_XDR_H |
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#define _LINUX_NFS_XDR_H |
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|
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#include <linux/nfsacl.h> |
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#include <linux/sunrpc/gss_api.h> |
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|
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/* |
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* To change the maximum rsize and wsize supported by the NFS client, adjust |
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* NFS_MAX_FILE_IO_SIZE. 64KB is a typical maximum, but some servers can |
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* support a megabyte or more. The default is left at 4096 bytes, which is |
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* reasonable for NFS over UDP. |
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*/ |
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#define NFS_MAX_FILE_IO_SIZE (1048576U) |
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#define NFS_DEF_FILE_IO_SIZE (4096U) |
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#define NFS_MIN_FILE_IO_SIZE (1024U) |
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#define NFS_BITMASK_SZ 3 |
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|
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struct nfs4_string { |
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unsigned int len; |
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char *data; |
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}; |
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struct nfs_fsid { |
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uint64_t major; |
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uint64_t minor; |
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}; |
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|
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/* |
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* Helper for checking equality between 2 fsids. |
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*/ |
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static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b) |
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{ |
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return a->major == b->major && a->minor == b->minor; |
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} |
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|
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struct nfs4_threshold { |
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__u32 bm; |
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__u32 l_type; |
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__u64 rd_sz; |
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__u64 wr_sz; |
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__u64 rd_io_sz; |
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__u64 wr_io_sz; |
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}; |
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struct nfs_fattr { |
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unsigned int valid; /* which fields are valid */ |
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umode_t mode; |
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__u32 nlink; |
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kuid_t uid; |
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kgid_t gid; |
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dev_t rdev; |
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__u64 size; |
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union { |
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struct { |
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__u32 blocksize; |
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__u32 blocks; |
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} nfs2; |
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struct { |
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__u64 used; |
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} nfs3; |
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} du; |
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struct nfs_fsid fsid; |
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__u64 fileid; |
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__u64 mounted_on_fileid; |
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struct timespec64 atime; |
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struct timespec64 mtime; |
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struct timespec64 ctime; |
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__u64 change_attr; /* NFSv4 change attribute */ |
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__u64 pre_change_attr;/* pre-op NFSv4 change attribute */ |
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__u64 pre_size; /* pre_op_attr.size */ |
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struct timespec64 pre_mtime; /* pre_op_attr.mtime */ |
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struct timespec64 pre_ctime; /* pre_op_attr.ctime */ |
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unsigned long time_start; |
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unsigned long gencount; |
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struct nfs4_string *owner_name; |
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struct nfs4_string *group_name; |
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struct nfs4_threshold *mdsthreshold; /* pNFS threshold hints */ |
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struct nfs4_label *label; |
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}; |
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#define NFS_ATTR_FATTR_TYPE (1U << 0) |
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#define NFS_ATTR_FATTR_MODE (1U << 1) |
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#define NFS_ATTR_FATTR_NLINK (1U << 2) |
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#define NFS_ATTR_FATTR_OWNER (1U << 3) |
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#define NFS_ATTR_FATTR_GROUP (1U << 4) |
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#define NFS_ATTR_FATTR_RDEV (1U << 5) |
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#define NFS_ATTR_FATTR_SIZE (1U << 6) |
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#define NFS_ATTR_FATTR_PRESIZE (1U << 7) |
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#define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8) |
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#define NFS_ATTR_FATTR_SPACE_USED (1U << 9) |
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#define NFS_ATTR_FATTR_FSID (1U << 10) |
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#define NFS_ATTR_FATTR_FILEID (1U << 11) |
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#define NFS_ATTR_FATTR_ATIME (1U << 12) |
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#define NFS_ATTR_FATTR_MTIME (1U << 13) |
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#define NFS_ATTR_FATTR_CTIME (1U << 14) |
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#define NFS_ATTR_FATTR_PREMTIME (1U << 15) |
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#define NFS_ATTR_FATTR_PRECTIME (1U << 16) |
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#define NFS_ATTR_FATTR_CHANGE (1U << 17) |
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#define NFS_ATTR_FATTR_PRECHANGE (1U << 18) |
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#define NFS_ATTR_FATTR_V4_LOCATIONS (1U << 19) |
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#define NFS_ATTR_FATTR_V4_REFERRAL (1U << 20) |
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#define NFS_ATTR_FATTR_MOUNTPOINT (1U << 21) |
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#define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22) |
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#define NFS_ATTR_FATTR_OWNER_NAME (1U << 23) |
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#define NFS_ATTR_FATTR_GROUP_NAME (1U << 24) |
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#define NFS_ATTR_FATTR_V4_SECURITY_LABEL (1U << 25) |
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#define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \ |
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| NFS_ATTR_FATTR_MODE \ |
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| NFS_ATTR_FATTR_NLINK \ |
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| NFS_ATTR_FATTR_OWNER \ |
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| NFS_ATTR_FATTR_GROUP \ |
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| NFS_ATTR_FATTR_RDEV \ |
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| NFS_ATTR_FATTR_SIZE \ |
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| NFS_ATTR_FATTR_FSID \ |
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| NFS_ATTR_FATTR_FILEID \ |
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| NFS_ATTR_FATTR_ATIME \ |
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| NFS_ATTR_FATTR_MTIME \ |
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| NFS_ATTR_FATTR_CTIME \ |
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| NFS_ATTR_FATTR_CHANGE) |
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#define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \ |
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| NFS_ATTR_FATTR_BLOCKS_USED) |
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#define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \ |
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| NFS_ATTR_FATTR_SPACE_USED) |
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#define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \ |
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| NFS_ATTR_FATTR_SPACE_USED \ |
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| NFS_ATTR_FATTR_V4_SECURITY_LABEL) |
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/* |
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* Maximal number of supported layout drivers. |
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*/ |
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#define NFS_MAX_LAYOUT_TYPES 8 |
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|
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/* |
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* Info on the file system |
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*/ |
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struct nfs_fsinfo { |
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struct nfs_fattr *fattr; /* Post-op attributes */ |
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__u32 rtmax; /* max. read transfer size */ |
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__u32 rtpref; /* pref. read transfer size */ |
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__u32 rtmult; /* reads should be multiple of this */ |
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__u32 wtmax; /* max. write transfer size */ |
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__u32 wtpref; /* pref. write transfer size */ |
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__u32 wtmult; /* writes should be multiple of this */ |
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__u32 dtpref; /* pref. readdir transfer size */ |
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__u64 maxfilesize; |
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struct timespec64 time_delta; /* server time granularity */ |
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__u32 lease_time; /* in seconds */ |
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__u32 nlayouttypes; /* number of layouttypes */ |
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__u32 layouttype[NFS_MAX_LAYOUT_TYPES]; /* supported pnfs layout driver */ |
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__u32 blksize; /* preferred pnfs io block size */ |
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__u32 clone_blksize; /* granularity of a CLONE operation */ |
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__u32 xattr_support; /* User xattrs supported */ |
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}; |
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struct nfs_fsstat { |
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struct nfs_fattr *fattr; /* Post-op attributes */ |
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__u64 tbytes; /* total size in bytes */ |
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__u64 fbytes; /* # of free bytes */ |
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__u64 abytes; /* # of bytes available to user */ |
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__u64 tfiles; /* # of files */ |
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__u64 ffiles; /* # of free files */ |
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__u64 afiles; /* # of files available to user */ |
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}; |
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struct nfs2_fsstat { |
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__u32 tsize; /* Server transfer size */ |
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__u32 bsize; /* Filesystem block size */ |
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__u32 blocks; /* No. of "bsize" blocks on filesystem */ |
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__u32 bfree; /* No. of free "bsize" blocks */ |
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__u32 bavail; /* No. of available "bsize" blocks */ |
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}; |
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struct nfs_pathconf { |
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struct nfs_fattr *fattr; /* Post-op attributes */ |
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__u32 max_link; /* max # of hard links */ |
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__u32 max_namelen; /* max name length */ |
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}; |
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struct nfs4_change_info { |
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u32 atomic; |
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u64 before; |
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u64 after; |
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}; |
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struct nfs_seqid; |
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/* nfs41 sessions channel attributes */ |
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struct nfs4_channel_attrs { |
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u32 max_rqst_sz; |
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u32 max_resp_sz; |
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u32 max_resp_sz_cached; |
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u32 max_ops; |
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u32 max_reqs; |
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}; |
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struct nfs4_slot; |
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struct nfs4_sequence_args { |
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struct nfs4_slot *sa_slot; |
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u8 sa_cache_this : 1, |
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sa_privileged : 1; |
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}; |
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struct nfs4_sequence_res { |
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struct nfs4_slot *sr_slot; /* slot used to send request */ |
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unsigned long sr_timestamp; |
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int sr_status; /* sequence operation status */ |
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u32 sr_status_flags; |
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u32 sr_highest_slotid; |
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u32 sr_target_highest_slotid; |
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}; |
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struct nfs4_get_lease_time_args { |
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struct nfs4_sequence_args la_seq_args; |
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}; |
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struct nfs4_get_lease_time_res { |
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struct nfs4_sequence_res lr_seq_res; |
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struct nfs_fsinfo *lr_fsinfo; |
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}; |
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struct xdr_stream; |
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struct nfs4_xdr_opaque_data; |
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struct nfs4_xdr_opaque_ops { |
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void (*encode)(struct xdr_stream *, const void *args, |
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const struct nfs4_xdr_opaque_data *); |
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void (*free)(struct nfs4_xdr_opaque_data *); |
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}; |
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struct nfs4_xdr_opaque_data { |
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const struct nfs4_xdr_opaque_ops *ops; |
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void *data; |
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}; |
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#define PNFS_LAYOUT_MAXSIZE 4096 |
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struct nfs4_layoutdriver_data { |
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struct page **pages; |
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__u32 pglen; |
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__u32 len; |
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}; |
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struct pnfs_layout_range { |
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u32 iomode; |
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u64 offset; |
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u64 length; |
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}; |
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struct nfs4_layoutget_args { |
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struct nfs4_sequence_args seq_args; |
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__u32 type; |
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struct pnfs_layout_range range; |
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__u64 minlength; |
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__u32 maxcount; |
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struct inode *inode; |
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struct nfs_open_context *ctx; |
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nfs4_stateid stateid; |
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struct nfs4_layoutdriver_data layout; |
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}; |
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struct nfs4_layoutget_res { |
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struct nfs4_sequence_res seq_res; |
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int status; |
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__u32 return_on_close; |
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struct pnfs_layout_range range; |
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__u32 type; |
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nfs4_stateid stateid; |
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struct nfs4_layoutdriver_data *layoutp; |
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}; |
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struct nfs4_layoutget { |
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struct nfs4_layoutget_args args; |
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struct nfs4_layoutget_res res; |
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const struct cred *cred; |
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gfp_t gfp_flags; |
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}; |
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struct nfs4_getdeviceinfo_args { |
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struct nfs4_sequence_args seq_args; |
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struct pnfs_device *pdev; |
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__u32 notify_types; |
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}; |
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struct nfs4_getdeviceinfo_res { |
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struct nfs4_sequence_res seq_res; |
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struct pnfs_device *pdev; |
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__u32 notification; |
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}; |
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struct nfs4_layoutcommit_args { |
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struct nfs4_sequence_args seq_args; |
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nfs4_stateid stateid; |
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__u64 lastbytewritten; |
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struct inode *inode; |
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const u32 *bitmask; |
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size_t layoutupdate_len; |
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struct page *layoutupdate_page; |
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struct page **layoutupdate_pages; |
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__be32 *start_p; |
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}; |
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struct nfs4_layoutcommit_res { |
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struct nfs4_sequence_res seq_res; |
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struct nfs_fattr *fattr; |
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const struct nfs_server *server; |
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int status; |
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}; |
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struct nfs4_layoutcommit_data { |
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struct rpc_task task; |
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struct nfs_fattr fattr; |
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struct list_head lseg_list; |
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const struct cred *cred; |
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struct inode *inode; |
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struct nfs4_layoutcommit_args args; |
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struct nfs4_layoutcommit_res res; |
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}; |
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struct nfs4_layoutreturn_args { |
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struct nfs4_sequence_args seq_args; |
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struct pnfs_layout_hdr *layout; |
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struct inode *inode; |
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struct pnfs_layout_range range; |
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nfs4_stateid stateid; |
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__u32 layout_type; |
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struct nfs4_xdr_opaque_data *ld_private; |
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}; |
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struct nfs4_layoutreturn_res { |
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struct nfs4_sequence_res seq_res; |
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u32 lrs_present; |
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nfs4_stateid stateid; |
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}; |
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struct nfs4_layoutreturn { |
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struct nfs4_layoutreturn_args args; |
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struct nfs4_layoutreturn_res res; |
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const struct cred *cred; |
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struct nfs_client *clp; |
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struct inode *inode; |
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int rpc_status; |
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struct nfs4_xdr_opaque_data ld_private; |
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}; |
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#define PNFS_LAYOUTSTATS_MAXSIZE 256 |
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struct nfs42_layoutstat_args; |
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struct nfs42_layoutstat_devinfo; |
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typedef void (*layoutstats_encode_t)(struct xdr_stream *, |
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struct nfs42_layoutstat_args *, |
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struct nfs42_layoutstat_devinfo *); |
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/* Per file per deviceid layoutstats */ |
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struct nfs42_layoutstat_devinfo { |
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struct nfs4_deviceid dev_id; |
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__u64 offset; |
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__u64 length; |
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__u64 read_count; |
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__u64 read_bytes; |
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__u64 write_count; |
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__u64 write_bytes; |
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__u32 layout_type; |
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struct nfs4_xdr_opaque_data ld_private; |
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}; |
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struct nfs42_layoutstat_args { |
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struct nfs4_sequence_args seq_args; |
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struct nfs_fh *fh; |
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struct inode *inode; |
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nfs4_stateid stateid; |
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int num_dev; |
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struct nfs42_layoutstat_devinfo *devinfo; |
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}; |
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struct nfs42_layoutstat_res { |
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struct nfs4_sequence_res seq_res; |
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int num_dev; |
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int rpc_status; |
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}; |
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struct nfs42_layoutstat_data { |
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struct inode *inode; |
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struct nfs42_layoutstat_args args; |
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struct nfs42_layoutstat_res res; |
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}; |
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struct nfs42_device_error { |
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struct nfs4_deviceid dev_id; |
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int status; |
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enum nfs_opnum4 opnum; |
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}; |
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struct nfs42_layout_error { |
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__u64 offset; |
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__u64 length; |
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nfs4_stateid stateid; |
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struct nfs42_device_error errors[1]; |
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}; |
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#define NFS42_LAYOUTERROR_MAX 5 |
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struct nfs42_layouterror_args { |
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struct nfs4_sequence_args seq_args; |
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struct inode *inode; |
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unsigned int num_errors; |
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struct nfs42_layout_error errors[NFS42_LAYOUTERROR_MAX]; |
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}; |
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struct nfs42_layouterror_res { |
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struct nfs4_sequence_res seq_res; |
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unsigned int num_errors; |
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int rpc_status; |
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}; |
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struct nfs42_layouterror_data { |
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struct nfs42_layouterror_args args; |
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struct nfs42_layouterror_res res; |
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struct inode *inode; |
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struct pnfs_layout_segment *lseg; |
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}; |
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struct nfs42_clone_args { |
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struct nfs4_sequence_args seq_args; |
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struct nfs_fh *src_fh; |
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struct nfs_fh *dst_fh; |
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nfs4_stateid src_stateid; |
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nfs4_stateid dst_stateid; |
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__u64 src_offset; |
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__u64 dst_offset; |
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__u64 count; |
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const u32 *dst_bitmask; |
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}; |
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struct nfs42_clone_res { |
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struct nfs4_sequence_res seq_res; |
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unsigned int rpc_status; |
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struct nfs_fattr *dst_fattr; |
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const struct nfs_server *server; |
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}; |
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struct stateowner_id { |
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__u64 create_time; |
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__u32 uniquifier; |
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}; |
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/* |
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* Arguments to the open call. |
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*/ |
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struct nfs_openargs { |
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struct nfs4_sequence_args seq_args; |
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const struct nfs_fh * fh; |
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struct nfs_seqid * seqid; |
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int open_flags; |
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fmode_t fmode; |
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u32 share_access; |
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u32 access; |
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__u64 clientid; |
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struct stateowner_id id; |
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union { |
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struct { |
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struct iattr * attrs; /* UNCHECKED, GUARDED, EXCLUSIVE4_1 */ |
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nfs4_verifier verifier; /* EXCLUSIVE */ |
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}; |
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nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */ |
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fmode_t delegation_type; /* CLAIM_PREVIOUS */ |
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} u; |
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const struct qstr * name; |
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const struct nfs_server *server; /* Needed for ID mapping */ |
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const u32 * bitmask; |
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const u32 * open_bitmap; |
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enum open_claim_type4 claim; |
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enum createmode4 createmode; |
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const struct nfs4_label *label; |
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umode_t umask; |
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struct nfs4_layoutget_args *lg_args; |
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}; |
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struct nfs_openres { |
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struct nfs4_sequence_res seq_res; |
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nfs4_stateid stateid; |
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struct nfs_fh fh; |
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struct nfs4_change_info cinfo; |
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__u32 rflags; |
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struct nfs_fattr * f_attr; |
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struct nfs4_label *f_label; |
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struct nfs_seqid * seqid; |
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const struct nfs_server *server; |
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fmode_t delegation_type; |
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nfs4_stateid delegation; |
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unsigned long pagemod_limit; |
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__u32 do_recall; |
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__u32 attrset[NFS4_BITMAP_SIZE]; |
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struct nfs4_string *owner; |
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struct nfs4_string *group_owner; |
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__u32 access_request; |
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__u32 access_supported; |
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__u32 access_result; |
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struct nfs4_layoutget_res *lg_res; |
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}; |
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/* |
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* Arguments to the open_confirm call. |
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*/ |
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struct nfs_open_confirmargs { |
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struct nfs4_sequence_args seq_args; |
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const struct nfs_fh * fh; |
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nfs4_stateid * stateid; |
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struct nfs_seqid * seqid; |
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}; |
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struct nfs_open_confirmres { |
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struct nfs4_sequence_res seq_res; |
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nfs4_stateid stateid; |
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struct nfs_seqid * seqid; |
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}; |
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|
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/* |
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* Arguments to the close call. |
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*/ |
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struct nfs_closeargs { |
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struct nfs4_sequence_args seq_args; |
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struct nfs_fh * fh; |
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nfs4_stateid stateid; |
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struct nfs_seqid * seqid; |
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fmode_t fmode; |
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u32 share_access; |
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const u32 * bitmask; |
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u32 bitmask_store[NFS_BITMASK_SZ]; |
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struct nfs4_layoutreturn_args *lr_args; |
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}; |
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struct nfs_closeres { |
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struct nfs4_sequence_res seq_res; |
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nfs4_stateid stateid; |
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struct nfs_fattr * fattr; |
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struct nfs_seqid * seqid; |
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const struct nfs_server *server; |
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struct nfs4_layoutreturn_res *lr_res; |
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int lr_ret; |
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}; |
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/* |
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* * Arguments to the lock,lockt, and locku call. |
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* */ |
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struct nfs_lowner { |
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__u64 clientid; |
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__u64 id; |
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dev_t s_dev; |
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}; |
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|
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struct nfs_lock_args { |
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struct nfs4_sequence_args seq_args; |
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struct nfs_fh * fh; |
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struct file_lock * fl; |
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struct nfs_seqid * lock_seqid; |
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nfs4_stateid lock_stateid; |
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struct nfs_seqid * open_seqid; |
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nfs4_stateid open_stateid; |
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struct nfs_lowner lock_owner; |
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unsigned char block : 1; |
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unsigned char reclaim : 1; |
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unsigned char new_lock : 1; |
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unsigned char new_lock_owner : 1; |
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}; |
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|
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struct nfs_lock_res { |
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struct nfs4_sequence_res seq_res; |
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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; |
|
struct nfs4_label *label; |
|
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; |
|
struct nfs4_label *label; |
|
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_label *label; |
|
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_label *label; |
|
}; |
|
|
|
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_label *label; |
|
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_label *label; |
|
}; |
|
|
|
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_label *label; |
|
}; |
|
|
|
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 nfs4_label *, |
|
struct inode *); |
|
int (*setattr) (struct dentry *, struct nfs_fattr *, |
|
struct iattr *); |
|
int (*lookup) (struct inode *, struct dentry *, |
|
struct nfs_fh *, struct nfs_fattr *, |
|
struct nfs4_label *); |
|
int (*lookupp) (struct inode *, struct nfs_fh *, |
|
struct nfs_fattr *, struct nfs4_label *); |
|
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); |
|
}; |
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/* |
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* NFS_CALL(getattr, inode, (fattr)); |
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* into |
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* NFS_PROTO(inode)->getattr(fattr); |
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*/ |
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#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args |
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/* |
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* Function vectors etc. for the NFS client |
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*/ |
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extern const struct nfs_rpc_ops nfs_v2_clientops; |
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extern const struct nfs_rpc_ops nfs_v3_clientops; |
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extern const struct nfs_rpc_ops nfs_v4_clientops; |
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extern const struct rpc_version nfs_version2; |
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extern const struct rpc_version nfs_version3; |
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extern const struct rpc_version nfs_version4; |
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extern const struct rpc_version nfsacl_version3; |
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extern const struct rpc_program nfsacl_program; |
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#endif
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