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Edit File: nfs4.h

/* SPDX-License-Identifier: GPL-2.0 */ /* * include/linux/nfs4.h * * NFSv4 protocol definitions. * * Copyright (c) 2002 The Regents of the University of Michigan. * All rights reserved. * * Kendrick Smith <kmsmith@umich.edu> * Andy Adamson <andros@umich.edu> */ #ifndef _LINUX_NFS4_H #define _LINUX_NFS4_H #include <linux/list.h> #include <linux/uidgid.h> #include <uapi/linux/nfs4.h> #include <linux/sunrpc/msg_prot.h> enum nfs4_acl_whotype { NFS4_ACL_WHO_NAMED = 0, NFS4_ACL_WHO_OWNER, NFS4_ACL_WHO_GROUP, NFS4_ACL_WHO_EVERYONE, }; struct nfs4_ace { uint32_t type; uint32_t flag; uint32_t access_mask; int whotype; union { kuid_t who_uid; kgid_t who_gid; }; }; struct nfs4_acl { uint32_t naces; struct nfs4_ace aces[]; }; #define NFS4_MAXLABELLEN 2048 struct nfs4_label { uint32_t lfs; uint32_t pi; u32 len; char *label; }; typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier; struct nfs4_stateid_struct { union { char data[NFS4_STATEID_SIZE]; struct { __be32 seqid; char other[NFS4_STATEID_OTHER_SIZE]; } __attribute__ ((packed)); }; enum { NFS4_INVALID_STATEID_TYPE = 0, NFS4_SPECIAL_STATEID_TYPE, NFS4_OPEN_STATEID_TYPE, NFS4_LOCK_STATEID_TYPE, NFS4_DELEGATION_STATEID_TYPE, NFS4_LAYOUT_STATEID_TYPE, NFS4_PNFS_DS_STATEID_TYPE, NFS4_REVOKED_STATEID_TYPE, } type; }; typedef struct nfs4_stateid_struct nfs4_stateid; enum nfs_opnum4 { OP_ACCESS = 3, OP_CLOSE = 4, OP_COMMIT = 5, OP_CREATE = 6, OP_DELEGPURGE = 7, OP_DELEGRETURN = 8, OP_GETATTR = 9, OP_GETFH = 10, OP_LINK = 11, OP_LOCK = 12, OP_LOCKT = 13, OP_LOCKU = 14, OP_LOOKUP = 15, OP_LOOKUPP = 16, OP_NVERIFY = 17, OP_OPEN = 18, OP_OPENATTR = 19, OP_OPEN_CONFIRM = 20, OP_OPEN_DOWNGRADE = 21, OP_PUTFH = 22, OP_PUTPUBFH = 23, OP_PUTROOTFH = 24, OP_READ = 25, OP_READDIR = 26, OP_READLINK = 27, OP_REMOVE = 28, OP_RENAME = 29, OP_RENEW = 30, OP_RESTOREFH = 31, OP_SAVEFH = 32, OP_SECINFO = 33, OP_SETATTR = 34, OP_SETCLIENTID = 35, OP_SETCLIENTID_CONFIRM = 36, OP_VERIFY = 37, OP_WRITE = 38, OP_RELEASE_LOCKOWNER = 39, /* nfs41 */ OP_BACKCHANNEL_CTL = 40, OP_BIND_CONN_TO_SESSION = 41, OP_EXCHANGE_ID = 42, OP_CREATE_SESSION = 43, OP_DESTROY_SESSION = 44, OP_FREE_STATEID = 45, OP_GET_DIR_DELEGATION = 46, OP_GETDEVICEINFO = 47, OP_GETDEVICELIST = 48, OP_LAYOUTCOMMIT = 49, OP_LAYOUTGET = 50, OP_LAYOUTRETURN = 51, OP_SECINFO_NO_NAME = 52, OP_SEQUENCE = 53, OP_SET_SSV = 54, OP_TEST_STATEID = 55, OP_WANT_DELEGATION = 56, OP_DESTROY_CLIENTID = 57, OP_RECLAIM_COMPLETE = 58, /* nfs42 */ OP_ALLOCATE = 59, OP_COPY = 60, OP_COPY_NOTIFY = 61, OP_DEALLOCATE = 62, OP_IO_ADVISE = 63, OP_LAYOUTERROR = 64, OP_LAYOUTSTATS = 65, OP_OFFLOAD_CANCEL = 66, OP_OFFLOAD_STATUS = 67, OP_READ_PLUS = 68, OP_SEEK = 69, OP_WRITE_SAME = 70, OP_CLONE = 71, /* xattr support (RFC8726) */ OP_GETXATTR = 72, OP_SETXATTR = 73, OP_LISTXATTRS = 74, OP_REMOVEXATTR = 75, OP_ILLEGAL = 10044, }; /*Defining first and last NFS4 operations implemented. Needs to be updated if more operations are defined in future.*/ #define FIRST_NFS4_OP OP_ACCESS #define LAST_NFS40_OP OP_RELEASE_LOCKOWNER #define LAST_NFS41_OP OP_RECLAIM_COMPLETE #define LAST_NFS42_OP OP_REMOVEXATTR #define LAST_NFS4_OP LAST_NFS42_OP enum nfsstat4 { NFS4_OK = 0, NFS4ERR_PERM = 1, NFS4ERR_NOENT = 2, NFS4ERR_IO = 5, NFS4ERR_NXIO = 6, NFS4ERR_ACCESS = 13, NFS4ERR_EXIST = 17, NFS4ERR_XDEV = 18, /* Unused/reserved 19 */ NFS4ERR_NOTDIR = 20, NFS4ERR_ISDIR = 21, NFS4ERR_INVAL = 22, NFS4ERR_FBIG = 27, NFS4ERR_NOSPC = 28, NFS4ERR_ROFS = 30, NFS4ERR_MLINK = 31, NFS4ERR_NAMETOOLONG = 63, NFS4ERR_NOTEMPTY = 66, NFS4ERR_DQUOT = 69, NFS4ERR_STALE = 70, NFS4ERR_BADHANDLE = 10001, NFS4ERR_BAD_COOKIE = 10003, NFS4ERR_NOTSUPP = 10004, NFS4ERR_TOOSMALL = 10005, NFS4ERR_SERVERFAULT = 10006, NFS4ERR_BADTYPE = 10007, NFS4ERR_DELAY = 10008, NFS4ERR_SAME = 10009, NFS4ERR_DENIED = 10010, NFS4ERR_EXPIRED = 10011, NFS4ERR_LOCKED = 10012, NFS4ERR_GRACE = 10013, NFS4ERR_FHEXPIRED = 10014, NFS4ERR_SHARE_DENIED = 10015, NFS4ERR_WRONGSEC = 10016, NFS4ERR_CLID_INUSE = 10017, NFS4ERR_RESOURCE = 10018, NFS4ERR_MOVED = 10019, NFS4ERR_NOFILEHANDLE = 10020, NFS4ERR_MINOR_VERS_MISMATCH = 10021, NFS4ERR_STALE_CLIENTID = 10022, NFS4ERR_STALE_STATEID = 10023, NFS4ERR_OLD_STATEID = 10024, NFS4ERR_BAD_STATEID = 10025, NFS4ERR_BAD_SEQID = 10026, NFS4ERR_NOT_SAME = 10027, NFS4ERR_LOCK_RANGE = 10028, NFS4ERR_SYMLINK = 10029, NFS4ERR_RESTOREFH = 10030, NFS4ERR_LEASE_MOVED = 10031, NFS4ERR_ATTRNOTSUPP = 10032, NFS4ERR_NO_GRACE = 10033, NFS4ERR_RECLAIM_BAD = 10034, NFS4ERR_RECLAIM_CONFLICT = 10035, NFS4ERR_BADXDR = 10036, NFS4ERR_LOCKS_HELD = 10037, NFS4ERR_OPENMODE = 10038, NFS4ERR_BADOWNER = 10039, NFS4ERR_BADCHAR = 10040, NFS4ERR_BADNAME = 10041, NFS4ERR_BAD_RANGE = 10042, NFS4ERR_LOCK_NOTSUPP = 10043, NFS4ERR_OP_ILLEGAL = 10044, NFS4ERR_DEADLOCK = 10045, NFS4ERR_FILE_OPEN = 10046, NFS4ERR_ADMIN_REVOKED = 10047, NFS4ERR_CB_PATH_DOWN = 10048, /* nfs41 */ NFS4ERR_BADIOMODE = 10049, NFS4ERR_BADLAYOUT = 10050, NFS4ERR_BAD_SESSION_DIGEST = 10051, NFS4ERR_BADSESSION = 10052, NFS4ERR_BADSLOT = 10053, NFS4ERR_COMPLETE_ALREADY = 10054, NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055, NFS4ERR_DELEG_ALREADY_WANTED = 10056, NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */ NFS4ERR_LAYOUTTRYLATER = 10058, NFS4ERR_LAYOUTUNAVAILABLE = 10059, NFS4ERR_NOMATCHING_LAYOUT = 10060, NFS4ERR_RECALLCONFLICT = 10061, NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062, NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */ NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */ NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */ NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */ NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */ NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */ NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */ NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */ NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */ NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */ /* Error 10073 is unused. */ NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */ NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */ NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */ NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */ NFS4ERR_DEADSESSION = 10078, /* persistent session dead */ NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */ NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */ NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */ NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */ NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */ NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */ NFS4ERR_REJECT_DELEG = 10085, /* on callback */ NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */ NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */ /* nfs42 */ NFS4ERR_PARTNER_NOTSUPP = 10088, NFS4ERR_PARTNER_NO_AUTH = 10089, NFS4ERR_UNION_NOTSUPP = 10090, NFS4ERR_OFFLOAD_DENIED = 10091, NFS4ERR_WRONG_LFS = 10092, NFS4ERR_BADLABEL = 10093, NFS4ERR_OFFLOAD_NO_REQS = 10094, /* xattr (RFC8276) */ NFS4ERR_NOXATTR = 10095, NFS4ERR_XATTR2BIG = 10096, }; /* error codes for internal client use */ #define NFS4ERR_RESET_TO_MDS 12001 #define NFS4ERR_RESET_TO_PNFS 12002 static inline bool seqid_mutating_err(u32 err) { /* See RFC 7530, section 9.1.7 */ switch (err) { case NFS4ERR_STALE_CLIENTID: case NFS4ERR_STALE_STATEID: case NFS4ERR_BAD_STATEID: case NFS4ERR_BAD_SEQID: case NFS4ERR_BADXDR: case NFS4ERR_RESOURCE: case NFS4ERR_NOFILEHANDLE: case NFS4ERR_MOVED: return false; } return true; } /* * Note: NF4BAD is not actually part of the protocol; it is just used * internally by nfsd. */ enum nfs_ftype4 { NF4BAD = 0, NF4REG = 1, /* Regular File */ NF4DIR = 2, /* Directory */ NF4BLK = 3, /* Special File - block device */ NF4CHR = 4, /* Special File - character device */ NF4LNK = 5, /* Symbolic Link */ NF4SOCK = 6, /* Special File - socket */ NF4FIFO = 7, /* Special File - fifo */ NF4ATTRDIR = 8, /* Attribute Directory */ NF4NAMEDATTR = 9 /* Named Attribute */ }; enum open_claim_type4 { NFS4_OPEN_CLAIM_NULL = 0, NFS4_OPEN_CLAIM_PREVIOUS = 1, NFS4_OPEN_CLAIM_DELEGATE_CUR = 2, NFS4_OPEN_CLAIM_DELEGATE_PREV = 3, NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */ NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */ NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */ }; enum opentype4 { NFS4_OPEN_NOCREATE = 0, NFS4_OPEN_CREATE = 1 }; enum createmode4 { NFS4_CREATE_UNCHECKED = 0, NFS4_CREATE_GUARDED = 1, NFS4_CREATE_EXCLUSIVE = 2, /* * New to NFSv4.1. If session is persistent, * GUARDED4 MUST be used. Otherwise, use * EXCLUSIVE4_1 instead of EXCLUSIVE4. */ NFS4_CREATE_EXCLUSIVE4_1 = 3 }; enum limit_by4 { NFS4_LIMIT_SIZE = 1, NFS4_LIMIT_BLOCKS = 2 }; enum open_delegation_type4 { NFS4_OPEN_DELEGATE_NONE = 0, NFS4_OPEN_DELEGATE_READ = 1, NFS4_OPEN_DELEGATE_WRITE = 2, NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */ }; enum why_no_delegation4 { /* new to v4.1 */ WND4_NOT_WANTED = 0, WND4_CONTENTION = 1, WND4_RESOURCE = 2, WND4_NOT_SUPP_FTYPE = 3, WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4, WND4_NOT_SUPP_UPGRADE = 5, WND4_NOT_SUPP_DOWNGRADE = 6, WND4_CANCELLED = 7, WND4_IS_DIR = 8, }; enum lock_type4 { NFS4_UNLOCK_LT = 0, NFS4_READ_LT = 1, NFS4_WRITE_LT = 2, NFS4_READW_LT = 3, NFS4_WRITEW_LT = 4 }; /* Mandatory Attributes */ #define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0) #define FATTR4_WORD0_TYPE (1UL << 1) #define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2) #define FATTR4_WORD0_CHANGE (1UL << 3) #define FATTR4_WORD0_SIZE (1UL << 4) #define FATTR4_WORD0_LINK_SUPPORT (1UL << 5) #define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6) #define FATTR4_WORD0_NAMED_ATTR (1UL << 7) #define FATTR4_WORD0_FSID (1UL << 8) #define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9) #define FATTR4_WORD0_LEASE_TIME (1UL << 10) #define FATTR4_WORD0_RDATTR_ERROR (1UL << 11) /* Mandatory in NFSv4.1 */ #define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11) /* Recommended Attributes */ #define FATTR4_WORD0_ACL (1UL << 12) #define FATTR4_WORD0_ACLSUPPORT (1UL << 13) #define FATTR4_WORD0_ARCHIVE (1UL << 14) #define FATTR4_WORD0_CANSETTIME (1UL << 15) #define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16) #define FATTR4_WORD0_CASE_PRESERVING (1UL << 17) #define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18) #define FATTR4_WORD0_FILEHANDLE (1UL << 19) #define FATTR4_WORD0_FILEID (1UL << 20) #define FATTR4_WORD0_FILES_AVAIL (1UL << 21) #define FATTR4_WORD0_FILES_FREE (1UL << 22) #define FATTR4_WORD0_FILES_TOTAL (1UL << 23) #define FATTR4_WORD0_FS_LOCATIONS (1UL << 24) #define FATTR4_WORD0_HIDDEN (1UL << 25) #define FATTR4_WORD0_HOMOGENEOUS (1UL << 26) #define FATTR4_WORD0_MAXFILESIZE (1UL << 27) #define FATTR4_WORD0_MAXLINK (1UL << 28) #define FATTR4_WORD0_MAXNAME (1UL << 29) #define FATTR4_WORD0_MAXREAD (1UL << 30) #define FATTR4_WORD0_MAXWRITE (1UL << 31) #define FATTR4_WORD1_MIMETYPE (1UL << 0) #define FATTR4_WORD1_MODE (1UL << 1) #define FATTR4_WORD1_NO_TRUNC (1UL << 2) #define FATTR4_WORD1_NUMLINKS (1UL << 3) #define FATTR4_WORD1_OWNER (1UL << 4) #define FATTR4_WORD1_OWNER_GROUP (1UL << 5) #define FATTR4_WORD1_QUOTA_HARD (1UL << 6) #define FATTR4_WORD1_QUOTA_SOFT (1UL << 7) #define FATTR4_WORD1_QUOTA_USED (1UL << 8) #define FATTR4_WORD1_RAWDEV (1UL << 9) #define FATTR4_WORD1_SPACE_AVAIL (1UL << 10) #define FATTR4_WORD1_SPACE_FREE (1UL << 11) #define FATTR4_WORD1_SPACE_TOTAL (1UL << 12) #define FATTR4_WORD1_SPACE_USED (1UL << 13) #define FATTR4_WORD1_SYSTEM (1UL << 14) #define FATTR4_WORD1_TIME_ACCESS (1UL << 15) #define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16) #define FATTR4_WORD1_TIME_BACKUP (1UL << 17) #define FATTR4_WORD1_TIME_CREATE (1UL << 18) #define FATTR4_WORD1_TIME_DELTA (1UL << 19) #define FATTR4_WORD1_TIME_METADATA (1UL << 20) #define FATTR4_WORD1_TIME_MODIFY (1UL << 21) #define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22) #define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23) #define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30) #define FATTR4_WORD2_LAYOUT_TYPES (1UL << 0) #define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1) #define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4) #define FATTR4_WORD2_CLONE_BLKSIZE (1UL << 13) #define FATTR4_WORD2_CHANGE_ATTR_TYPE (1UL << 15) #define FATTR4_WORD2_SECURITY_LABEL (1UL << 16) #define FATTR4_WORD2_MODE_UMASK (1UL << 17) #define FATTR4_WORD2_XATTR_SUPPORT (1UL << 18) /* MDS threshold bitmap bits */ #define THRESHOLD_RD (1UL << 0) #define THRESHOLD_WR (1UL << 1) #define THRESHOLD_RD_IO (1UL << 2) #define THRESHOLD_WR_IO (1UL << 3) #define NFSPROC4_NULL 0 #define NFSPROC4_COMPOUND 1 #define NFS4_VERSION 4 #define NFS4_MINOR_VERSION 0 #define NFS4_DEBUG 1 /* * Index of predefined Linux client operations * * To ensure that /proc/net/rpc/nfs remains correctly ordered, please * append only to this enum when adding new client operations. */ enum { NFSPROC4_CLNT_NULL = 0, /* Unused */ NFSPROC4_CLNT_READ, NFSPROC4_CLNT_WRITE, NFSPROC4_CLNT_COMMIT, NFSPROC4_CLNT_OPEN, NFSPROC4_CLNT_OPEN_CONFIRM, NFSPROC4_CLNT_OPEN_NOATTR, NFSPROC4_CLNT_OPEN_DOWNGRADE, NFSPROC4_CLNT_CLOSE, NFSPROC4_CLNT_SETATTR, NFSPROC4_CLNT_FSINFO, NFSPROC4_CLNT_RENEW, NFSPROC4_CLNT_SETCLIENTID, NFSPROC4_CLNT_SETCLIENTID_CONFIRM, NFSPROC4_CLNT_LOCK, NFSPROC4_CLNT_LOCKT, NFSPROC4_CLNT_LOCKU, NFSPROC4_CLNT_ACCESS, NFSPROC4_CLNT_GETATTR, NFSPROC4_CLNT_LOOKUP, NFSPROC4_CLNT_LOOKUP_ROOT, NFSPROC4_CLNT_REMOVE, NFSPROC4_CLNT_RENAME, NFSPROC4_CLNT_LINK, NFSPROC4_CLNT_SYMLINK, NFSPROC4_CLNT_CREATE, NFSPROC4_CLNT_PATHCONF, NFSPROC4_CLNT_STATFS, NFSPROC4_CLNT_READLINK, NFSPROC4_CLNT_READDIR, NFSPROC4_CLNT_SERVER_CAPS, NFSPROC4_CLNT_DELEGRETURN, NFSPROC4_CLNT_GETACL, NFSPROC4_CLNT_SETACL, NFSPROC4_CLNT_FS_LOCATIONS, NFSPROC4_CLNT_RELEASE_LOCKOWNER, NFSPROC4_CLNT_SECINFO, NFSPROC4_CLNT_FSID_PRESENT, NFSPROC4_CLNT_EXCHANGE_ID, NFSPROC4_CLNT_CREATE_SESSION, NFSPROC4_CLNT_DESTROY_SESSION, NFSPROC4_CLNT_SEQUENCE, NFSPROC4_CLNT_GET_LEASE_TIME, NFSPROC4_CLNT_RECLAIM_COMPLETE, NFSPROC4_CLNT_LAYOUTGET, NFSPROC4_CLNT_GETDEVICEINFO, NFSPROC4_CLNT_LAYOUTCOMMIT, NFSPROC4_CLNT_LAYOUTRETURN, NFSPROC4_CLNT_SECINFO_NO_NAME, NFSPROC4_CLNT_TEST_STATEID, NFSPROC4_CLNT_FREE_STATEID, NFSPROC4_CLNT_GETDEVICELIST, NFSPROC4_CLNT_BIND_CONN_TO_SESSION, NFSPROC4_CLNT_DESTROY_CLIENTID, NFSPROC4_CLNT_SEEK, NFSPROC4_CLNT_ALLOCATE, NFSPROC4_CLNT_DEALLOCATE, NFSPROC4_CLNT_LAYOUTSTATS, NFSPROC4_CLNT_CLONE, NFSPROC4_CLNT_COPY, NFSPROC4_CLNT_OFFLOAD_CANCEL, NFSPROC4_CLNT_LOOKUPP, NFSPROC4_CLNT_LAYOUTERROR, NFSPROC4_CLNT_COPY_NOTIFY, NFSPROC4_CLNT_GETXATTR, NFSPROC4_CLNT_SETXATTR, NFSPROC4_CLNT_LISTXATTRS, NFSPROC4_CLNT_REMOVEXATTR, NFSPROC4_CLNT_READ_PLUS, }; /* nfs41 types */ struct nfs4_sessionid { unsigned char data[NFS4_MAX_SESSIONID_LEN]; }; /* Create Session Flags */ #define SESSION4_PERSIST 0x001 #define SESSION4_BACK_CHAN 0x002 #define SESSION4_RDMA 0x004 #define SESSION4_FLAG_MASK_A 0x007 enum state_protect_how4 { SP4_NONE = 0, SP4_MACH_CRED = 1, SP4_SSV = 2 }; enum pnfs_layouttype { LAYOUT_NFSV4_1_FILES = 1, LAYOUT_OSD2_OBJECTS = 2, LAYOUT_BLOCK_VOLUME = 3, LAYOUT_FLEX_FILES = 4, LAYOUT_SCSI = 5, LAYOUT_TYPE_MAX }; /* used for both layout return and recall */ enum pnfs_layoutreturn_type { RETURN_FILE = 1, RETURN_FSID = 2, RETURN_ALL = 3 }; enum pnfs_iomode { IOMODE_READ = 1, IOMODE_RW = 2, IOMODE_ANY = 3, }; enum pnfs_notify_deviceid_type4 { NOTIFY_DEVICEID4_CHANGE = 1 << 1, NOTIFY_DEVICEID4_DELETE = 1 << 2, }; enum pnfs_block_volume_type { PNFS_BLOCK_VOLUME_SIMPLE = 0, PNFS_BLOCK_VOLUME_SLICE = 1, PNFS_BLOCK_VOLUME_CONCAT = 2, PNFS_BLOCK_VOLUME_STRIPE = 3, PNFS_BLOCK_VOLUME_SCSI = 4, }; enum pnfs_block_extent_state { PNFS_BLOCK_READWRITE_DATA = 0, PNFS_BLOCK_READ_DATA = 1, PNFS_BLOCK_INVALID_DATA = 2, PNFS_BLOCK_NONE_DATA = 3, }; /* on the wire size of a block layout extent */ #define PNFS_BLOCK_EXTENT_SIZE \ (7 * sizeof(__be32) + NFS4_DEVICEID4_SIZE) /* on the wire size of a scsi commit range */ #define PNFS_SCSI_RANGE_SIZE \ (4 * sizeof(__be32)) enum scsi_code_set { PS_CODE_SET_BINARY = 1, PS_CODE_SET_ASCII = 2, PS_CODE_SET_UTF8 = 3 }; enum scsi_designator_type { PS_DESIGNATOR_T10 = 1, PS_DESIGNATOR_EUI64 = 2, PS_DESIGNATOR_NAA = 3, PS_DESIGNATOR_NAME = 8 }; #define NFL4_UFLG_MASK 0x0000003F #define NFL4_UFLG_DENSE 0x00000001 #define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002 #define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0 /* Encoded in the loh_body field of type layouthint4 */ enum filelayout_hint_care4 { NFLH4_CARE_DENSE = NFL4_UFLG_DENSE, NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS, NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040, NFLH4_CARE_STRIPE_COUNT = 0x00000080 }; #define NFS4_DEVICEID4_SIZE 16 struct nfs4_deviceid { char data[NFS4_DEVICEID4_SIZE]; }; enum data_content4 { NFS4_CONTENT_DATA = 0, NFS4_CONTENT_HOLE = 1, }; enum pnfs_update_layout_reason { PNFS_UPDATE_LAYOUT_UNKNOWN = 0, PNFS_UPDATE_LAYOUT_NO_PNFS, PNFS_UPDATE_LAYOUT_RD_ZEROLEN, PNFS_UPDATE_LAYOUT_MDSTHRESH, PNFS_UPDATE_LAYOUT_NOMEM, PNFS_UPDATE_LAYOUT_BULK_RECALL, PNFS_UPDATE_LAYOUT_IO_TEST_FAIL, PNFS_UPDATE_LAYOUT_FOUND_CACHED, PNFS_UPDATE_LAYOUT_RETURN, PNFS_UPDATE_LAYOUT_RETRY, PNFS_UPDATE_LAYOUT_BLOCKED, PNFS_UPDATE_LAYOUT_INVALID_OPEN, PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET, PNFS_UPDATE_LAYOUT_EXIT, }; #define NFS4_OP_MAP_NUM_LONGS \ DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long)) #define NFS4_OP_MAP_NUM_WORDS \ (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32)) struct nfs4_op_map { union { unsigned long longs[NFS4_OP_MAP_NUM_LONGS]; u32 words[NFS4_OP_MAP_NUM_WORDS]; } u; }; struct nfs42_netaddr { char netid[RPCBIND_MAXNETIDLEN]; char addr[RPCBIND_MAXUADDRLEN + 1]; u32 netid_len; u32 addr_len; }; enum netloc_type4 { NL4_NAME = 1, NL4_URL = 2, NL4_NETADDR = 3, }; struct nl4_server { enum netloc_type4 nl4_type; union { struct { /* NL4_NAME, NL4_URL */ int nl4_str_sz; char nl4_str[NFS4_OPAQUE_LIMIT + 1]; }; struct nfs42_netaddr nl4_addr; /* NL4_NETADDR */ } u; }; enum nfs4_change_attr_type { NFS4_CHANGE_TYPE_IS_MONOTONIC_INCR = 0, NFS4_CHANGE_TYPE_IS_VERSION_COUNTER = 1, NFS4_CHANGE_TYPE_IS_VERSION_COUNTER_NOPNFS = 2, NFS4_CHANGE_TYPE_IS_TIME_METADATA = 3, NFS4_CHANGE_TYPE_IS_UNDEFINED = 4, }; /* * Options for setxattr. These match the flags for setxattr(2). */ enum nfs4_setxattr_options { SETXATTR4_EITHER = 0, SETXATTR4_CREATE = 1, SETXATTR4_REPLACE = 2, }; enum { RCA4_TYPE_MASK_RDATA_DLG = 0, RCA4_TYPE_MASK_WDATA_DLG = 1, RCA4_TYPE_MASK_DIR_DLG = 2, RCA4_TYPE_MASK_FILE_LAYOUT = 3, RCA4_TYPE_MASK_BLK_LAYOUT = 4, RCA4_TYPE_MASK_OBJ_LAYOUT_MIN = 8, RCA4_TYPE_MASK_OBJ_LAYOUT_MAX = 9, RCA4_TYPE_MASK_OTHER_LAYOUT_MIN = 12, RCA4_TYPE_MASK_OTHER_LAYOUT_MAX = 15, }; #endif