593 lines
16 KiB
C
593 lines
16 KiB
C
/*
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* include/linux/nfs4.h
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*
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* NFSv4 protocol definitions.
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*
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* Copyright (c) 2002 The Regents of the University of Michigan.
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* All rights reserved.
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*
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* Kendrick Smith <kmsmith@umich.edu>
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* Andy Adamson <andros@umich.edu>
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*/
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#ifndef _LINUX_NFS4_H
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#define _LINUX_NFS4_H
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#include <linux/list.h>
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#include <linux/uidgid.h>
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#include <uapi/linux/nfs4.h>
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enum nfs4_acl_whotype {
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NFS4_ACL_WHO_NAMED = 0,
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NFS4_ACL_WHO_OWNER,
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NFS4_ACL_WHO_GROUP,
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NFS4_ACL_WHO_EVERYONE,
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};
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struct nfs4_ace {
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uint32_t type;
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uint32_t flag;
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uint32_t access_mask;
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int whotype;
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union {
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kuid_t who_uid;
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kgid_t who_gid;
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};
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};
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struct nfs4_acl {
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uint32_t naces;
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struct nfs4_ace aces[0];
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};
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#define NFS4_MAXLABELLEN 2048
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struct nfs4_label {
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uint32_t lfs;
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uint32_t pi;
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u32 len;
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char *label;
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};
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typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier;
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struct nfs_stateid4 {
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__be32 seqid;
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char other[NFS4_STATEID_OTHER_SIZE];
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} __attribute__ ((packed));
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typedef struct nfs_stateid4 nfs4_stateid;
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enum nfs_opnum4 {
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OP_ACCESS = 3,
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OP_CLOSE = 4,
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OP_COMMIT = 5,
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OP_CREATE = 6,
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OP_DELEGPURGE = 7,
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OP_DELEGRETURN = 8,
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OP_GETATTR = 9,
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OP_GETFH = 10,
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OP_LINK = 11,
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OP_LOCK = 12,
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OP_LOCKT = 13,
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OP_LOCKU = 14,
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OP_LOOKUP = 15,
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OP_LOOKUPP = 16,
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OP_NVERIFY = 17,
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OP_OPEN = 18,
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OP_OPENATTR = 19,
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OP_OPEN_CONFIRM = 20,
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OP_OPEN_DOWNGRADE = 21,
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OP_PUTFH = 22,
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OP_PUTPUBFH = 23,
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OP_PUTROOTFH = 24,
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OP_READ = 25,
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OP_READDIR = 26,
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OP_READLINK = 27,
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OP_REMOVE = 28,
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OP_RENAME = 29,
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OP_RENEW = 30,
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OP_RESTOREFH = 31,
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OP_SAVEFH = 32,
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OP_SECINFO = 33,
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OP_SETATTR = 34,
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OP_SETCLIENTID = 35,
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OP_SETCLIENTID_CONFIRM = 36,
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OP_VERIFY = 37,
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OP_WRITE = 38,
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OP_RELEASE_LOCKOWNER = 39,
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/* nfs41 */
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OP_BACKCHANNEL_CTL = 40,
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OP_BIND_CONN_TO_SESSION = 41,
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OP_EXCHANGE_ID = 42,
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OP_CREATE_SESSION = 43,
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OP_DESTROY_SESSION = 44,
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OP_FREE_STATEID = 45,
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OP_GET_DIR_DELEGATION = 46,
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OP_GETDEVICEINFO = 47,
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OP_GETDEVICELIST = 48,
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OP_LAYOUTCOMMIT = 49,
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OP_LAYOUTGET = 50,
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OP_LAYOUTRETURN = 51,
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OP_SECINFO_NO_NAME = 52,
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OP_SEQUENCE = 53,
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OP_SET_SSV = 54,
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OP_TEST_STATEID = 55,
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OP_WANT_DELEGATION = 56,
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OP_DESTROY_CLIENTID = 57,
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OP_RECLAIM_COMPLETE = 58,
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/* nfs42 */
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OP_ALLOCATE = 59,
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OP_COPY = 60,
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OP_COPY_NOTIFY = 61,
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OP_DEALLOCATE = 62,
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OP_IO_ADVISE = 63,
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OP_LAYOUTERROR = 64,
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OP_LAYOUTSTATS = 65,
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OP_OFFLOAD_CANCEL = 66,
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OP_OFFLOAD_STATUS = 67,
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OP_READ_PLUS = 68,
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OP_SEEK = 69,
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OP_WRITE_SAME = 70,
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OP_ILLEGAL = 10044,
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};
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/*Defining first and last NFS4 operations implemented.
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Needs to be updated if more operations are defined in future.*/
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#define FIRST_NFS4_OP OP_ACCESS
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#define LAST_NFS4_OP OP_WRITE_SAME
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#define LAST_NFS40_OP OP_RELEASE_LOCKOWNER
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#define LAST_NFS41_OP OP_RECLAIM_COMPLETE
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#define LAST_NFS42_OP OP_WRITE_SAME
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enum nfsstat4 {
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NFS4_OK = 0,
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NFS4ERR_PERM = 1,
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NFS4ERR_NOENT = 2,
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NFS4ERR_IO = 5,
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NFS4ERR_NXIO = 6,
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NFS4ERR_ACCESS = 13,
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NFS4ERR_EXIST = 17,
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NFS4ERR_XDEV = 18,
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/* Unused/reserved 19 */
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NFS4ERR_NOTDIR = 20,
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NFS4ERR_ISDIR = 21,
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NFS4ERR_INVAL = 22,
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NFS4ERR_FBIG = 27,
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NFS4ERR_NOSPC = 28,
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NFS4ERR_ROFS = 30,
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NFS4ERR_MLINK = 31,
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NFS4ERR_NAMETOOLONG = 63,
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NFS4ERR_NOTEMPTY = 66,
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NFS4ERR_DQUOT = 69,
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NFS4ERR_STALE = 70,
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NFS4ERR_BADHANDLE = 10001,
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NFS4ERR_BAD_COOKIE = 10003,
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NFS4ERR_NOTSUPP = 10004,
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NFS4ERR_TOOSMALL = 10005,
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NFS4ERR_SERVERFAULT = 10006,
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NFS4ERR_BADTYPE = 10007,
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NFS4ERR_DELAY = 10008,
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NFS4ERR_SAME = 10009,
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NFS4ERR_DENIED = 10010,
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NFS4ERR_EXPIRED = 10011,
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NFS4ERR_LOCKED = 10012,
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NFS4ERR_GRACE = 10013,
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NFS4ERR_FHEXPIRED = 10014,
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NFS4ERR_SHARE_DENIED = 10015,
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NFS4ERR_WRONGSEC = 10016,
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NFS4ERR_CLID_INUSE = 10017,
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NFS4ERR_RESOURCE = 10018,
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NFS4ERR_MOVED = 10019,
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NFS4ERR_NOFILEHANDLE = 10020,
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NFS4ERR_MINOR_VERS_MISMATCH = 10021,
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NFS4ERR_STALE_CLIENTID = 10022,
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NFS4ERR_STALE_STATEID = 10023,
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NFS4ERR_OLD_STATEID = 10024,
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NFS4ERR_BAD_STATEID = 10025,
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NFS4ERR_BAD_SEQID = 10026,
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NFS4ERR_NOT_SAME = 10027,
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NFS4ERR_LOCK_RANGE = 10028,
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NFS4ERR_SYMLINK = 10029,
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NFS4ERR_RESTOREFH = 10030,
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NFS4ERR_LEASE_MOVED = 10031,
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NFS4ERR_ATTRNOTSUPP = 10032,
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NFS4ERR_NO_GRACE = 10033,
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NFS4ERR_RECLAIM_BAD = 10034,
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NFS4ERR_RECLAIM_CONFLICT = 10035,
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NFS4ERR_BADXDR = 10036,
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NFS4ERR_LOCKS_HELD = 10037,
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NFS4ERR_OPENMODE = 10038,
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NFS4ERR_BADOWNER = 10039,
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NFS4ERR_BADCHAR = 10040,
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NFS4ERR_BADNAME = 10041,
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NFS4ERR_BAD_RANGE = 10042,
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NFS4ERR_LOCK_NOTSUPP = 10043,
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NFS4ERR_OP_ILLEGAL = 10044,
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NFS4ERR_DEADLOCK = 10045,
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NFS4ERR_FILE_OPEN = 10046,
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NFS4ERR_ADMIN_REVOKED = 10047,
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NFS4ERR_CB_PATH_DOWN = 10048,
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/* nfs41 */
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NFS4ERR_BADIOMODE = 10049,
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NFS4ERR_BADLAYOUT = 10050,
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NFS4ERR_BAD_SESSION_DIGEST = 10051,
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NFS4ERR_BADSESSION = 10052,
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NFS4ERR_BADSLOT = 10053,
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NFS4ERR_COMPLETE_ALREADY = 10054,
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NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055,
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NFS4ERR_DELEG_ALREADY_WANTED = 10056,
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NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */
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NFS4ERR_LAYOUTTRYLATER = 10058,
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NFS4ERR_LAYOUTUNAVAILABLE = 10059,
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NFS4ERR_NOMATCHING_LAYOUT = 10060,
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NFS4ERR_RECALLCONFLICT = 10061,
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NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062,
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NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */
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NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */
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NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */
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NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */
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NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */
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NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */
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NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */
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NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */
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NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */
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NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */
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/* Error 10073 is unused. */
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NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */
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NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */
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NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */
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NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */
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NFS4ERR_DEADSESSION = 10078, /* persistent session dead */
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NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */
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NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */
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NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */
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NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */
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NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */
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NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */
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NFS4ERR_REJECT_DELEG = 10085, /* on callback */
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NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */
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NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */
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/* nfs42 */
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NFS4ERR_PARTNER_NOTSUPP = 10088,
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NFS4ERR_PARTNER_NO_AUTH = 10089,
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NFS4ERR_UNION_NOTSUPP = 10090,
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NFS4ERR_OFFLOAD_DENIED = 10091,
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NFS4ERR_WRONG_LFS = 10092,
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NFS4ERR_BADLABEL = 10093,
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NFS4ERR_OFFLOAD_NO_REQS = 10094,
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};
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static inline bool seqid_mutating_err(u32 err)
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{
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/* rfc 3530 section 8.1.5: */
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switch (err) {
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case NFS4ERR_STALE_CLIENTID:
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case NFS4ERR_STALE_STATEID:
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case NFS4ERR_BAD_STATEID:
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case NFS4ERR_BAD_SEQID:
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case NFS4ERR_BADXDR:
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case NFS4ERR_RESOURCE:
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case NFS4ERR_NOFILEHANDLE:
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return false;
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};
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return true;
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}
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/*
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* Note: NF4BAD is not actually part of the protocol; it is just used
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* internally by nfsd.
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*/
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enum nfs_ftype4 {
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NF4BAD = 0,
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NF4REG = 1, /* Regular File */
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NF4DIR = 2, /* Directory */
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NF4BLK = 3, /* Special File - block device */
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NF4CHR = 4, /* Special File - character device */
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NF4LNK = 5, /* Symbolic Link */
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NF4SOCK = 6, /* Special File - socket */
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NF4FIFO = 7, /* Special File - fifo */
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NF4ATTRDIR = 8, /* Attribute Directory */
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NF4NAMEDATTR = 9 /* Named Attribute */
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};
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enum open_claim_type4 {
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NFS4_OPEN_CLAIM_NULL = 0,
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NFS4_OPEN_CLAIM_PREVIOUS = 1,
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NFS4_OPEN_CLAIM_DELEGATE_CUR = 2,
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NFS4_OPEN_CLAIM_DELEGATE_PREV = 3,
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NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */
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NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */
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NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */
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};
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enum opentype4 {
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NFS4_OPEN_NOCREATE = 0,
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NFS4_OPEN_CREATE = 1
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};
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enum createmode4 {
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NFS4_CREATE_UNCHECKED = 0,
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NFS4_CREATE_GUARDED = 1,
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NFS4_CREATE_EXCLUSIVE = 2,
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/*
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* New to NFSv4.1. If session is persistent,
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* GUARDED4 MUST be used. Otherwise, use
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* EXCLUSIVE4_1 instead of EXCLUSIVE4.
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*/
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NFS4_CREATE_EXCLUSIVE4_1 = 3
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};
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enum limit_by4 {
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NFS4_LIMIT_SIZE = 1,
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NFS4_LIMIT_BLOCKS = 2
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};
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enum open_delegation_type4 {
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NFS4_OPEN_DELEGATE_NONE = 0,
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NFS4_OPEN_DELEGATE_READ = 1,
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NFS4_OPEN_DELEGATE_WRITE = 2,
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NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */
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};
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enum why_no_delegation4 { /* new to v4.1 */
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WND4_NOT_WANTED = 0,
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WND4_CONTENTION = 1,
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WND4_RESOURCE = 2,
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WND4_NOT_SUPP_FTYPE = 3,
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WND4_WRITE_DELEG_NOT_SUPP_FTYPE = 4,
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WND4_NOT_SUPP_UPGRADE = 5,
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WND4_NOT_SUPP_DOWNGRADE = 6,
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WND4_CANCELLED = 7,
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WND4_IS_DIR = 8,
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};
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enum lock_type4 {
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NFS4_UNLOCK_LT = 0,
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NFS4_READ_LT = 1,
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NFS4_WRITE_LT = 2,
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NFS4_READW_LT = 3,
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NFS4_WRITEW_LT = 4
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};
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/* Mandatory Attributes */
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#define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0)
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#define FATTR4_WORD0_TYPE (1UL << 1)
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#define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2)
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#define FATTR4_WORD0_CHANGE (1UL << 3)
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#define FATTR4_WORD0_SIZE (1UL << 4)
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#define FATTR4_WORD0_LINK_SUPPORT (1UL << 5)
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#define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6)
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#define FATTR4_WORD0_NAMED_ATTR (1UL << 7)
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#define FATTR4_WORD0_FSID (1UL << 8)
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#define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9)
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#define FATTR4_WORD0_LEASE_TIME (1UL << 10)
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#define FATTR4_WORD0_RDATTR_ERROR (1UL << 11)
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/* Mandatory in NFSv4.1 */
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#define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11)
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/* Recommended Attributes */
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#define FATTR4_WORD0_ACL (1UL << 12)
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#define FATTR4_WORD0_ACLSUPPORT (1UL << 13)
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#define FATTR4_WORD0_ARCHIVE (1UL << 14)
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#define FATTR4_WORD0_CANSETTIME (1UL << 15)
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#define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16)
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#define FATTR4_WORD0_CASE_PRESERVING (1UL << 17)
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#define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18)
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#define FATTR4_WORD0_FILEHANDLE (1UL << 19)
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#define FATTR4_WORD0_FILEID (1UL << 20)
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#define FATTR4_WORD0_FILES_AVAIL (1UL << 21)
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#define FATTR4_WORD0_FILES_FREE (1UL << 22)
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#define FATTR4_WORD0_FILES_TOTAL (1UL << 23)
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#define FATTR4_WORD0_FS_LOCATIONS (1UL << 24)
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#define FATTR4_WORD0_HIDDEN (1UL << 25)
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#define FATTR4_WORD0_HOMOGENEOUS (1UL << 26)
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#define FATTR4_WORD0_MAXFILESIZE (1UL << 27)
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#define FATTR4_WORD0_MAXLINK (1UL << 28)
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#define FATTR4_WORD0_MAXNAME (1UL << 29)
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#define FATTR4_WORD0_MAXREAD (1UL << 30)
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#define FATTR4_WORD0_MAXWRITE (1UL << 31)
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#define FATTR4_WORD1_MIMETYPE (1UL << 0)
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#define FATTR4_WORD1_MODE (1UL << 1)
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#define FATTR4_WORD1_NO_TRUNC (1UL << 2)
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#define FATTR4_WORD1_NUMLINKS (1UL << 3)
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#define FATTR4_WORD1_OWNER (1UL << 4)
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#define FATTR4_WORD1_OWNER_GROUP (1UL << 5)
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#define FATTR4_WORD1_QUOTA_HARD (1UL << 6)
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#define FATTR4_WORD1_QUOTA_SOFT (1UL << 7)
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#define FATTR4_WORD1_QUOTA_USED (1UL << 8)
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#define FATTR4_WORD1_RAWDEV (1UL << 9)
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#define FATTR4_WORD1_SPACE_AVAIL (1UL << 10)
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#define FATTR4_WORD1_SPACE_FREE (1UL << 11)
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#define FATTR4_WORD1_SPACE_TOTAL (1UL << 12)
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#define FATTR4_WORD1_SPACE_USED (1UL << 13)
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#define FATTR4_WORD1_SYSTEM (1UL << 14)
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#define FATTR4_WORD1_TIME_ACCESS (1UL << 15)
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#define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16)
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#define FATTR4_WORD1_TIME_BACKUP (1UL << 17)
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#define FATTR4_WORD1_TIME_CREATE (1UL << 18)
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#define FATTR4_WORD1_TIME_DELTA (1UL << 19)
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#define FATTR4_WORD1_TIME_METADATA (1UL << 20)
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#define FATTR4_WORD1_TIME_MODIFY (1UL << 21)
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#define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22)
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#define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23)
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#define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30)
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#define FATTR4_WORD2_LAYOUT_TYPES (1UL << 0)
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#define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1)
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#define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4)
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#define FATTR4_WORD2_SECURITY_LABEL (1UL << 16)
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/* MDS threshold bitmap bits */
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#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,
|
|
};
|
|
|
|
/* 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_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,
|
|
};
|
|
|
|
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)
|
|
|
|
#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,
|
|
};
|
|
|
|
#endif
|