Re: [pnfs] [PATCH v2 01/67] nfs41: common protocol definitions

["J. Bruce Fields" <bfields@fieldses.org>]

On Thu, Apr 02, 2009 at 04:50:33PM +0300, Benny Halevy wrote:
> Define all NFSv4.1 common operation and error code constants.
> 
> Note that some of the definitions are used by both the nfs41 client
> and the server code. This patch is duplicated in the nfs41 and nfsd41
> sessions patchset.

Oh, and, for what it's worth (and not being sure which route this may go
in by):

	Acked-by: J. Bruce Fields <bfields@citi.umich.edu>

--b.

> Signed-off-by: Andy Adamson<andros@netapp.com>
> Signed-off-by: Benny Halevy <bhalevy@panasas.com>
> [nfs41: add exchange id flags]
> Signed-off-by: Mike Sager <sager@netapp.com>
> Signed-off-by: Benny Halevy <bhalevy@panasas.com>
> [removed server-only hunk changing NFSERR_REPLAY_ME]
> Signed-off-by: Benny Halevy <bhalevy@panasas.com>
> [nfs41: add SEQ4_XX to nfs41-common-protocol]
> Signed-off-by: Andy Adamson <andros@netapp.com>
> Signed-off-by: Benny Halevy <bhalevy@panasas.com>
> [nfs41: generic error code update]
> [nfs41: reverse EXCHGID4_INVAL_FLAG_MASK_{A,R}]
> Signed-off-by: Benny Halevy <bhalevy@panasas.com>
> ---
>  include/linux/nfs4.h |  128 +++++++++++++++++++++++++++++++++++++++++++++++++-
>  1 files changed, 127 insertions(+), 1 deletions(-)
> 
> diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
> index b912311..29ed600 100644
> --- a/include/linux/nfs4.h
> +++ b/include/linux/nfs4.h
> @@ -21,6 +21,7 @@
>  #define NFS4_FHSIZE		128
>  #define NFS4_MAXPATHLEN		PATH_MAX
>  #define NFS4_MAXNAMLEN		NAME_MAX
> +#define NFS4_MAX_SESSIONID_LEN	16
>  
>  #define NFS4_ACCESS_READ        0x0001
>  #define NFS4_ACCESS_LOOKUP      0x0002
> @@ -38,6 +39,7 @@
>  #define NFS4_OPEN_RESULT_CONFIRM 0x0002
>  #define NFS4_OPEN_RESULT_LOCKTYPE_POSIX 0x0004
>  
> +#define NFS4_SHARE_ACCESS_MASK	0x000F
>  #define NFS4_SHARE_ACCESS_READ	0x0001
>  #define NFS4_SHARE_ACCESS_WRITE	0x0002
>  #define NFS4_SHARE_ACCESS_BOTH	0x0003
> @@ -45,6 +47,19 @@
>  #define NFS4_SHARE_DENY_WRITE	0x0002
>  #define NFS4_SHARE_DENY_BOTH	0x0003
>  
> +/* nfs41 */
> +#define NFS4_SHARE_WANT_MASK		0xFF00
> +#define NFS4_SHARE_WANT_NO_PREFERENCE	0x0000
> +#define NFS4_SHARE_WANT_READ_DELEG	0x0100
> +#define NFS4_SHARE_WANT_WRITE_DELEG	0x0200
> +#define NFS4_SHARE_WANT_ANY_DELEG	0x0300
> +#define NFS4_SHARE_WANT_NO_DELEG	0x0400
> +#define NFS4_SHARE_WANT_CANCEL		0x0500
> +
> +#define NFS4_SHARE_WHEN_MASK		0xF0000
> +#define NFS4_SHARE_SIGNAL_DELEG_WHEN_RESRC_AVAIL	0x10000
> +#define NFS4_SHARE_PUSH_DELEG_WHEN_UNCONTENDED		0x20000
> +
>  #define NFS4_SET_TO_SERVER_TIME	0
>  #define NFS4_SET_TO_CLIENT_TIME	1
>  
> @@ -88,6 +103,31 @@
>  #define NFS4_ACE_GENERIC_EXECUTE              0x001200A0
>  #define NFS4_ACE_MASK_ALL                     0x001F01FF
>  
> +#define EXCHGID4_FLAG_SUPP_MOVED_REFER		0x00000001
> +#define EXCHGID4_FLAG_SUPP_MOVED_MIGR		0x00000002
> +#define EXCHGID4_FLAG_USE_NON_PNFS		0x00010000
> +#define EXCHGID4_FLAG_USE_PNFS_MDS		0x00020000
> +#define EXCHGID4_FLAG_USE_PNFS_DS		0x00040000
> +#define EXCHGID4_FLAG_UPD_CONFIRMED_REC_A	0x40000000
> +#define EXCHGID4_FLAG_CONFIRMED_R		0x80000000
> +/*
> + * Since the validity of these bits depends on whether
> + * they're set in the argument or response, have separate
> + * invalid flag masks for arg (_A) and resp (_R).
> + */
> +#define EXCHGID4_FLAG_MASK_A			0x40070003
> +#define EXCHGID4_FLAG_MASK_R			0x80070003
> +
> +#define SEQ4_STATUS_CB_PATH_DOWN		0x00000001
> +#define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRING	0x00000002
> +#define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRED	0x00000004
> +#define SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED	0x00000008
> +#define SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED	0x00000010
> +#define SEQ4_STATUS_ADMIN_STATE_REVOKED		0x00000020
> +#define SEQ4_STATUS_RECALLABLE_STATE_REVOKED	0x00000040
> +#define SEQ4_STATUS_LEASE_MOVED			0x00000080
> +#define SEQ4_STATUS_RESTART_RECLAIM_NEEDED	0x00000100
> +
>  #define NFS4_MAX_UINT64	(~(u64)0)
>  
>  enum nfs4_acl_whotype {
> @@ -154,6 +194,28 @@ enum nfs_opnum4 {
>  	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,
> +
>  	OP_ILLEGAL = 10044,
>  };
>  
> @@ -230,7 +292,48 @@ enum nfsstat4 {
>  	NFS4ERR_DEADLOCK = 10045,
>  	NFS4ERR_FILE_OPEN = 10046,
>  	NFS4ERR_ADMIN_REVOKED = 10047,
> -	NFS4ERR_CB_PATH_DOWN = 10048
> +	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 origional */
> +	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 */
>  };
>  
>  /*
> @@ -391,6 +494,29 @@ enum {
>  	NFSPROC4_CLNT_GETACL,
>  	NFSPROC4_CLNT_SETACL,
>  	NFSPROC4_CLNT_FS_LOCATIONS,
> +
> +	/* nfs41 */
> +	NFSPROC4_CLNT_EXCHANGE_ID,
> +	NFSPROC4_CLNT_CREATE_SESSION,
> +	NFSPROC4_CLNT_DESTROY_SESSION,
> +	NFSPROC4_CLNT_SEQUENCE,
> +	NFSPROC4_CLNT_GET_LEASE_TIME,
> +};
> +
> +/* 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
> +
> +enum state_protect_how4 {
> +	SP4_NONE	= 0,
> +	SP4_MACH_CRED	= 1,
> +	SP4_SSV		= 2
>  };
>  
>  #endif
> -- 
> 1.6.2.1
> 
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