v4.19.13 snapshot.
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
new file mode 100644
index 0000000..1b06f0b
--- /dev/null
+++ b/include/linux/nfs4.h
@@ -0,0 +1,675 @@
+/* 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>
+
+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[0];
+};
+
+#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,
+
+ 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_CLONE
+#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,
+};
+
+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
+};
+
+enum change_attr_type4 {
+ 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
+};
+
+/* 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)
+
+/* 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,
+};
+
+/* 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,
+};
+
+#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;
+};
+
+#endif