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linux_dsm_epyc7002/include/linux/nfs4.h
Andreas Gruenbacher 47057abde5 nfsd: add support for the umask attribute 
Clients can set the umask attribute when creating files to cause the
server to apply it always except when inheriting permissions from the
parent directory.  That way, the new files will end up with the same
permissions as files created locally.

See https://tools.ietf.org/html/draft-ietf-nfsv4-umask-02 for more
details.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2016-12-15 20:42:48 -05:00

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/*
* 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)
{
/* rfc 3530 section 8.1.5: */
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:
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_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 */
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,
/* nfs41 */
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,
/* nfs42 */
NFSPROC4_CLNT_SEEK,
NFSPROC4_CLNT_ALLOCATE,
NFSPROC4_CLNT_DEALLOCATE,
NFSPROC4_CLNT_LAYOUTSTATS,
NFSPROC4_CLNT_CLONE,
NFSPROC4_CLNT_COPY,
};
/* 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
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