[mirror_ubuntu-artful-kernel.git] / include / linux / lockd / xdr.h

/*
 * linux/include/linux/lockd/xdr.h
 *
 * XDR types for the NLM protocol
 *
 * Copyright (C) 1996 Olaf Kirch <okir@monad.swb.de>
 */

#ifndef LOCKD_XDR_H
#define LOCKD_XDR_H

#include <linux/fs.h>
#include <linux/nfs.h>
#include <linux/sunrpc/xdr.h>

#define SM_MAXSTRLEN		1024
#define SM_PRIV_SIZE		16

struct nsm_private {
	unsigned char		data[SM_PRIV_SIZE];
};

struct svc_rqst;

#define NLM_MAXCOOKIELEN    	32
#define NLM_MAXSTRLEN		1024

#define	nlm_granted		cpu_to_be32(NLM_LCK_GRANTED)
#define	nlm_lck_denied		cpu_to_be32(NLM_LCK_DENIED)
#define	nlm_lck_denied_nolocks	cpu_to_be32(NLM_LCK_DENIED_NOLOCKS)
#define	nlm_lck_blocked		cpu_to_be32(NLM_LCK_BLOCKED)
#define	nlm_lck_denied_grace_period	cpu_to_be32(NLM_LCK_DENIED_GRACE_PERIOD)

#define nlm_drop_reply		cpu_to_be32(30000)

/* Lock info passed via NLM */
struct nlm_lock {
	char *			caller;
	unsigned int		len; 	/* length of "caller" */
	struct nfs_fh		fh;
	struct xdr_netobj	oh;
	u32			svid;
	struct file_lock	fl;
};

/*
 *	NLM cookies. Technically they can be 1K, but Linux only uses 8 bytes.
 *	FreeBSD uses 16, Apple Mac OS X 10.3 uses 20. Therefore we set it to
 *	32 bytes.
 */
 
struct nlm_cookie
{
	unsigned char data[NLM_MAXCOOKIELEN];
	unsigned int len;
};

/*
 * Generic lockd arguments for all but sm_notify
 */
struct nlm_args {
	struct nlm_cookie	cookie;
	struct nlm_lock		lock;
	u32			block;
	u32			reclaim;
	u32			state;
	u32			monitor;
	u32			fsm_access;
	u32			fsm_mode;
};

typedef struct nlm_args nlm_args;

/*
 * Generic lockd result
 */
struct nlm_res {
	struct nlm_cookie	cookie;
	__be32			status;
	struct nlm_lock		lock;
};

/*
 * statd callback when client has rebooted
 */
struct nlm_reboot {
	char			*mon;
	unsigned int		len;
	u32			state;
	struct nsm_private	priv;
};

/*
 * Contents of statd callback when monitored host rebooted
 */
#define NLMSVC_XDRSIZE		sizeof(struct nlm_args)

int	nlmsvc_decode_testargs(struct svc_rqst *, __be32 *);
int	nlmsvc_encode_testres(struct svc_rqst *, __be32 *);
int	nlmsvc_decode_lockargs(struct svc_rqst *, __be32 *);
int	nlmsvc_decode_cancargs(struct svc_rqst *, __be32 *);
int	nlmsvc_decode_unlockargs(struct svc_rqst *, __be32 *);
int	nlmsvc_encode_res(struct svc_rqst *, __be32 *);
int	nlmsvc_decode_res(struct svc_rqst *, __be32 *);
int	nlmsvc_encode_void(struct svc_rqst *, __be32 *);
int	nlmsvc_decode_void(struct svc_rqst *, __be32 *);
int	nlmsvc_decode_shareargs(struct svc_rqst *, __be32 *);
int	nlmsvc_encode_shareres(struct svc_rqst *, __be32 *);
int	nlmsvc_decode_notify(struct svc_rqst *, __be32 *);
int	nlmsvc_decode_reboot(struct svc_rqst *, __be32 *);
/*
int	nlmclt_encode_testargs(struct rpc_rqst *, u32 *, struct nlm_args *);
int	nlmclt_encode_lockargs(struct rpc_rqst *, u32 *, struct nlm_args *);
int	nlmclt_encode_cancargs(struct rpc_rqst *, u32 *, struct nlm_args *);
int	nlmclt_encode_unlockargs(struct rpc_rqst *, u32 *, struct nlm_args *);
 */

#endif /* LOCKD_XDR_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/include/linux/lockd/xdr.h
	3	*
	4	* XDR types for the NLM protocol
	5	*
	6	* Copyright (C) 1996 Olaf Kirch <okir@monad.swb.de>
	7	*/
	8
	9	#ifndef LOCKD_XDR_H
	10	#define LOCKD_XDR_H
	11
	12	#include <linux/fs.h>
	13	#include <linux/nfs.h>
	14	#include <linux/sunrpc/xdr.h>
	15
e6765b83	16	#define SM_MAXSTRLEN 1024
7e44d3be CL	17	#define SM_PRIV_SIZE 16
	18
	19	struct nsm_private {
	20	unsigned char data[SM_PRIV_SIZE];
	21	};
	22
d343fce1 N	23	struct svc_rqst;
d343fce1 N	24
1da177e4 LT	25	#define NLM_MAXCOOKIELEN 32
	26	#define NLM_MAXSTRLEN 1024
	27
77f18f5e HH	28	#define nlm_granted cpu_to_be32(NLM_LCK_GRANTED)
	29	#define nlm_lck_denied cpu_to_be32(NLM_LCK_DENIED)
	30	#define nlm_lck_denied_nolocks cpu_to_be32(NLM_LCK_DENIED_NOLOCKS)
	31	#define nlm_lck_blocked cpu_to_be32(NLM_LCK_BLOCKED)
	32	#define nlm_lck_denied_grace_period cpu_to_be32(NLM_LCK_DENIED_GRACE_PERIOD)
1da177e4	33
77f18f5e	34	#define nlm_drop_reply cpu_to_be32(30000)
d343fce1	35
1da177e4 LT	36	/* Lock info passed via NLM */
	37	struct nlm_lock {
	38	char * caller;
48df020a	39	unsigned int len; /* length of "caller" */
1da177e4 LT	40	struct nfs_fh fh;
1da177e4 LT	41	struct xdr_netobj oh;
7bab377f	42	u32 svid;
1da177e4 LT	43	struct file_lock fl;
	44	};
	45
	46	/*
	47	* NLM cookies. Technically they can be 1K, but Linux only uses 8 bytes.
	48	* FreeBSD uses 16, Apple Mac OS X 10.3 uses 20. Therefore we set it to
	49	* 32 bytes.
	50	*/
	51
	52	struct nlm_cookie
	53	{
	54	unsigned char data[NLM_MAXCOOKIELEN];
	55	unsigned int len;
	56	};
	57
	58	/*
	59	* Generic lockd arguments for all but sm_notify
	60	*/
	61	struct nlm_args {
	62	struct nlm_cookie cookie;
	63	struct nlm_lock lock;
	64	u32 block;
	65	u32 reclaim;
	66	u32 state;
	67	u32 monitor;
	68	u32 fsm_access;
	69	u32 fsm_mode;
	70	};
	71
	72	typedef struct nlm_args nlm_args;
	73
	74	/*
	75	* Generic lockd result
	76	*/
	77	struct nlm_res {
	78	struct nlm_cookie cookie;
e8c5c045	79	__be32 status;
1da177e4 LT	80	struct nlm_lock lock;
	81	};
	82
	83	/*
	84	* statd callback when client has rebooted
	85	*/
	86	struct nlm_reboot {
576df463 CL	87	char *mon;
	88	unsigned int len;
	89	u32 state;
	90	struct nsm_private priv;
1da177e4 LT	91	};
	92
	93	/*
	94	* Contents of statd callback when monitored host rebooted
	95	*/
	96	#define NLMSVC_XDRSIZE sizeof(struct nlm_args)
	97
026fec7e	98	int nlmsvc_decode_testargs(struct svc_rqst , __be32 );
63f8de37	99	int nlmsvc_encode_testres(struct svc_rqst , __be32 );
026fec7e CH	100	int nlmsvc_decode_lockargs(struct svc_rqst , __be32 );
	101	int nlmsvc_decode_cancargs(struct svc_rqst , __be32 );
	102	int nlmsvc_decode_unlockargs(struct svc_rqst , __be32 );
63f8de37	103	int nlmsvc_encode_res(struct svc_rqst , __be32 );
026fec7e	104	int nlmsvc_decode_res(struct svc_rqst , __be32 );
63f8de37	105	int nlmsvc_encode_void(struct svc_rqst , __be32 );
026fec7e CH	106	int nlmsvc_decode_void(struct svc_rqst , __be32 );
026fec7e CH	107	int nlmsvc_decode_shareargs(struct svc_rqst , __be32 );
63f8de37	108	int nlmsvc_encode_shareres(struct svc_rqst , __be32 );
026fec7e CH	109	int nlmsvc_decode_notify(struct svc_rqst , __be32 );
026fec7e CH	110	int nlmsvc_decode_reboot(struct svc_rqst , __be32 );
1da177e4 LT	111	/*
	112	int nlmclt_encode_testargs(struct rpc_rqst , u32 , struct nlm_args *);
	113	int nlmclt_encode_lockargs(struct rpc_rqst , u32 , struct nlm_args *);
	114	int nlmclt_encode_cancargs(struct rpc_rqst , u32 , struct nlm_args *);
	115	int nlmclt_encode_unlockargs(struct rpc_rqst , u32 , struct nlm_args *);
	116	*/
	117
	118	#endif /* LOCKD_XDR_H */